What does switching mean?

What does switch mean?

HanDian

Explanation:掣

1. to pull, to tug: ~ elbow. ~ hind legs. The wind is racing ~.  2. to draw: ~ sign.

Pulling = twitching, the spasmodic switch is repeated and aggravated in the text.

Zhu Ziqing prose "hate" inside a sentence to understand? 5 points

The word "掣" here is "掣" in "风驰电掣"!

Not "brake" as in "braking"!

They are pronounced differently and have different meanings! The word "掣" is pronounced "彻" and not "治"!

"Switch" originally means "to move quickly"!

-- Lonely Mountain Man

What is the meaning of the code of steel How to divide

The steel product number is generally used to indicate the Hanyu Pinyin letters, chemical element symbols and *** digital combination of methods. Commonly used chemical element symbols are shown in Table 1. Table 1 Commonly used chemical element symbols Element name Chemical element designation Iron Fe Lithium Li Samarium Sm Manganese Mn Beryllium Be Actinium Ac Chromium Cr Magnesium Mg Boron B Nickel Ni Calcium Ca Carbon C Cobalt Co Zirconium Zirconium Zr Si Copper Si Copper Cu Tin Sn Selenium Se Tungsten W Lead Pb Tellurium Te Molybdenum Mo Bismuth Bi Arsenic As Alum V Cesium Cs S Sulfur Ti Barium Ba Phosphorus P Aluminum S Titanium Ti Barium Ba Phosphorus P Aluminum Aluminum Lanthanum La Ammonia N Niobium Nb Cerium Ce Oxygen O Tantalum Ta Neodymium Nd Hydrogen H Note: The symbols for mixed rare earth elements are denoted by "RE". When using Hanyu Pinyin letters to denote the name of a product, its use, characteristics, and the process method, the first letter is generally selected from the Hanyu Pinyin of the Chinese character that represents the product name. When the letters are repeated with those of another product, the second or third letter is selected, or the first letter of the two Chinese characters is selected at the same time. The use of hanyu pinyin letters, in principle, only one, generally no more than two. The symbols for product names, uses, characteristics and process methods are shown in Table 2. Table 2 Symbols for product names, uses, characteristics and process methods Name Chinese characters and hanyu pinyin used Adopted symbols Font Position Chinese characters Chinese characters Chinese pinyin Pig iron for steelmaking Pig iron for foundry Pig iron for ductile iron Pig iron for decarburized low-phosphorus granulated iron Vanadium-containing pig iron Wear-resistant pig iron Carbon structural steel Low-alloy, high-strength steel Marble-resistant steel Guaranteed-hardening steel Easy-to-cut, non-tempered steel Non-tempered steels for hot forging Free-cutting steels Hot rolled silicon steel for electrical applications Cold rolled non-oriented silicon steel for electrical applications Cold rolled oriented silicon steel for electrical applications Cold rolled oriented silicon steel for electrical applications Electromagnetic steel Carbon tool steel Plastic mold steel (ball) bearing steel Steel for welding Steel for rails Rivet screw steel Anchor chain steel Steel for geologic drilling Tubes Steel for marine applications Automotive beams Mining steel Pressure vessels Steel for bridges Boiler steel Steel for Welded Gas Cylinders Steel for Vehicle Axles Steel for Locomotive Axles Steel for Pipe Lines Boiling Steel Semi-tempered Steel Tranquilized Steel Special Tranquilized Steel Quality Grade Refining Casting Casting Ball Stripping Vanadium Wear-resistant Hardening Hardening Weather Resistant Easy Non-Non-easy Electrically Heated No Fetch High Electricity Electricity High Electricity Electricity Iron Carbon Plastic Moulded Rolling Welding Rails Riveting Screws Anchors Geological Beams Mining Containers Bridges Boiler Welding Cylinders Vehicle Axles Locomotive Axles Boiling Semi-Tranquilized Special Towns LIAN ZHU QIU TUO LIAN FAN NAI MO QU QU QU NAI HOU YI FEI FEI YI DIAN RE WU QU QU GAO DIAN GAO DIAN TIE TAN SU MO GUN HAN GUI MAO LUO MAO DI ZHI LIANG KUANG RONG QIAO GUO HAN PING LIANG ZHOU JI AHOU FEI BAN ZHEN TE ZHEN L Z Q TL F NM Q Q Q NH H YF F Y DR W Q Q D D T SM G H U ML M DZ Adoption of international symbols L K R q g HP LZ JZ S F b Z TZ A B C D E Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization Capitalization >>

What is the meaning of phlegm-heat uptake

Phlegm-heat internal closure: phlegm-heat internal, blocking the heart and spirit, to the chest, tightness, burning pain, coughing, asthma, phlegm, yellow thick, or roaring, fever, thirst, or confusion, delirious madness, or fainting phlegm in the throat, the tongue is red, yellow, greasy, and slippery pulse, and so on, is a common symptom. Any closed evidence is a critical condition. Heat is the gradual fire, fire is the extreme heat, so phlegm and heat congestion of the lungs in the evolution of its pathology, each easy to turn fire into phlegm and fire evidence. If due to the phlegm fire congestion, appear face switch, hands and feet vibration or convulsions, body heat, cough and phlegm, pulse flooding, known as "phlegm fire spasm"; if due to the phlegm fire upward reversal, headache and brain tinnitus, or headache, chest and epigastric fullness, vomiting, vomiting phlegm and saliva, heartburn and good anger, red face and eyes red, known as "phlegm fire headache"; if due to the phlegm fire upward reversal, headaches, brain tinnitus, or headaches, chest and epigastric fullness, vomiting, sputum saliva, heartburn and good anger, red face and eyes red "If it is due to phlegm and turbidity coming from fire, upward blinding the clear orifices, there is dizziness, head and eyes swelling and heavy, heartburn and palpitation, nausea, vomiting and spitting of phlegm and saliva, and bitterness in the mouth, it is called "phlegm-fire dizziness"; if it is due to phlegm and fire disturbing the mind, there is dizziness that occurs when it works and stops, which is due to the fire, it is called "phlegm-fire daze If the heart and mind are disturbed by phlegm-fire, the dizziness will come and go due to the fire, then it is called "phlegm-fire dizziness". All the evidence can be phlegm heat congestion of the lungs of the variant, can also be a separate disease, clinical when depending on the specific evidence, or clearing hot phlegm in order to solve the congestion of the lungs, or supplemented with antispasmodic, quench the wind, tranquillize the spirit, and lower the fire and so on, and make sure that the medicine with the evidence, suitable for the condition.

After the hard disk is formatted, what are the methods of previous recovery files

If you are not a professional data recovery, and the original data is very important, it is recommended that you do nothing, keep the hard disk, and then ask for professional help.

This is because the methods suggested by my friends upstairs are irreversible, which means that once you use them, it is very likely that you will lose your data permanently, and then there is nothing you can do.

Of course, if it's not that serious, you can try the methods above. Remember, once the hard disk is operated, especially write operations, then there is a great possibility of permanent loss of data. So it's best to be sure.

Ask for the name of this movie Disgusting

The Collection (2012)

AKA: Nightmare 2

Directed by: Marcus Dunstan

Written by: Marcus Dunstan / Patrick Melton

Starring: Christopher McDonald / Josh Stewart / Lee Tergesen / Erin Way / Navi Rova / more... As Elena (Emma Fitzpatrick) witnesses her boyfriend's infidelity, she inadvertently flips a switch that turns the place of pleasure into an inferno of carnage, where countless men and women are butchered, while the Body Snatcher (Randall Archer) watches the bloodshed and brutality unfold before Elena's capture at the last minute. In the midst of the chaos, a brutalized Arkin (Josh Stewart) manages to escape. As he stays in the hospital for treatment, the police, who have been tasked by a wealthy man, come to his door and demand that Arkin find Elena within 48 hours.

Regardless, Akin must return to the labyrinth where he left behind countless nightmares, and time is running out for Ellena, who is in constant danger as she tries to escape. And Akin and the police force are faced with deadly traps laid by the corpse searching demons. The footsteps of the Grim Reaper gradually clear ......

What is the meaning of bungee jumping a

is bungee jumping, this is the translation of Hong Kong and Taiwan, bungee jumping originated from the English "bungy" or "bungee

This is the translation of RTHK, bungee jumping comes from the English "bungy" or "bungee".

There are two possible reasons: 1) the first statement: as far as we know, bungee first appeared in the Oxford Extreme Sports Club, they call this sport bungee . The sport was called bungy in New Zealand, most likely due to a spelling mistake, but due to the success of the promotion in New Zealand, people generally accepted bungy , so the word came to be.

The second argument: bungy and bungee are different bungee rope is made of a variety of materials composite, in North America usually use 5/8 inch military specification rope, stretch rate can reach 210%, now also use TR2 and Ripcord, stretch rate of 240% and 280%, it is characterized by a higher free fall, longer rebound time, the feeling is higher! and a longer bounce time, which feels more ***.

The bungy originated in New Zealand and uses a rubber rope (with infinite stretch) with a variable brake system to control the maximum stretch. It is characterized by relatively low speed, high bounce, and a smooth feel, and is especially suited to ankle jumps.

The word "bungee" should be an excellent translation of the word, in Hong Kong, Taiwan, people translated into "stupid pig jump", this translation of the person is probably that, if a person is not stupid, it is not going to go to this "tragic" activities. The person who made this translation probably thought that if a person was not stupid, he would never go to this "miserable" activity. However, when this sport from its origin to the development of the world, by the people generally welcome, and even some extreme sports enthusiasts will also be their wedding ceremony on the bungee tower, once the "ceremony", jump, in order to show the fervor of love and fidelity. And go to the bungee jumping people will not be called "stupid pig", but to get the "certificate of bravery".

Bungee jumping originated in the South Pacific island of Vanuatu, a kind of rite of passage, hundreds of years ago, Vanuatu men must withstand the test of high altitude jumping to be considered to be adult, they tied their legs with canes, from the 35-meter-high wooden tower jumping down, a few inches from the ground to stop, and then the whole village of men, women and children gathered around him singing and dancing, to celebrate his success in passing the test of adulthood.

This form later spread to England, where it was used as a show for the aristocracy of the royal court, with performers required to wear tuxedos and bowler hats. The first use of rubber cord bungee jumping, was in the United States, but the real take-off of bungee jumping was in New Zealand. New Zealanders established the world's first Bounce Jumping Association and first publicly demonstrated high-altitude suspension jumping to the community in 1988, and have been vigorously promoting the sport ever since. So far, many countries in the world have established bungee jumping bases, such as Singapore, Japan, Canada, Australia and some European countries. 1997 May 1, bungee jumping for the first time into China, the development of the present, there have been a variety of forms, which can be broadly divided into three kinds:

Bridge bungee jumping, a jumping platform stretched out on a bridge, or a jumping platform stretched out on the cliffs and cliffs. ; tower bungee, that is, mainly in the square to build a leaning tower, and then in the tower extends a jump; rocket bungee, as the name suggests, will be like a rocket upward bouncing up, and then one up and down the bounce.

"Bungee jumping" is the jumper standing about 40 meters above (equivalent to 10-story building) height of the bridge, the top of the tower, high-rise buildings, cranes and even hot air balloons, one end of the fixed a long rubber strip tied to the ankle joints and then the two arms outstretched, the legs together, the head jumped down. Tied to the jumpers ankle rubber strip is long enough to make the jumpers in the air to enjoy a few seconds of "free fall". When the human body fell to a certain distance from the ground, the rubber cord was pulled open, taut, to prevent the human body to continue to fall, when it reaches the lowest point when the rubber pops up again, the person was pulled up, and then, and fell, so that many times until the elasticity of the rubber cord disappeared, this is the whole process of bungee jumping.

The world's highest bungee jumping point is located in South Africa's Eastern Cape Province, Qiqiqama Mountains in a bridge called Bloukrans, a height of 216 meters, in December 1997 began to formally receive visitors, so far *** counted 100 people, the smallest is only 9 years old, the longest is 84 years old; the second-highest bungee jumping point in a scenic spot in Switzerland on a gondola, a height of 160 meters; The third highest bungee jump is in New Zealand at 134 meters.

Thanks for watching, ... >>

Each grade of steel, what does it mean? How to distinguish ah?

(a) the main purpose of the various grades of carbon structural steel:

1. Grade Q195, low carbon content, strength is not high, plasticity, toughness, processing performance and welding performance is good. Used for rolling thin plates and coils. Cold, hot rolled sheet steel and its original plate made of galvanized, tinned and plastic composite sheet steel with a large number of roofing panels, decorative panels, general-purpose dust piping, packaging containers, drums, instrument shells, switch boxes, shields, train cars and so on. Coil is more cold-drawn into low carbon steel wire or galvanized into galvanized low carbon steel wire, used for bundling, tensioning fixed or used as wire mesh, rivets and so on.

2. Brand Q215, slightly higher strength than Q195 steel, and Q195 roughly the same use. In addition, also used as a large number of welded steel pipe, galvanized welded pipe, furnace support, ground screws, bolts, round nails, wood screws, punched iron hinges and other hardware parts.

3. Grade Q235, moderate carbon content, better overall performance, strength, plasticity and welding properties to get a better match, the most widely used. Often rolled into coils or round steel, square steel, flat steel, angle steel, I-beam, channel steel, window frame steel and other steel profiles, medium-thick steel plate. A large number of construction and engineering structures. Used to make reinforcing steel or construction of plant shelves, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc., but also a large number of mechanical parts for the performance requirements are not too high.C, D-grade steel can also be used for some professional steel.

4. Grade Q255, performance and Q235 is almost the same, slightly improved strength, plasticity has been reduced. Application is not as extensive as Q235, mainly used for riveting and checking the structure.

5. Grade Q275, higher strength, hardness, wear resistance is better. Used in the manufacture of shafts, agricultural implements, wear-resistant parts, rail joint cleats, pads, wheels, rolling prongs and so on.

(B) the main purpose of the grades of low-alloy high-strength structural steel

Low-alloy high-strength structural steel, the old standard called low-alloy structural steel, also known as ordinary low-alloy structural steel.

1. Grade Q295 steel, steel contains only a very small amount of alloying elements, not high strength, but has good plasticity, cold bending, welding and corrosion resistance. Mainly used in building structures, industrial plants, low-pressure boilers, low and medium pressure chemical containers, tanks, pipelines, cranes, tractors, vehicles and general engineering structures that do not require high strength.

2. Grade Q345, Q390 steel, comprehensive mechanical properties, welding performance, hot and cold processing performance and corrosion resistance are good, C, D, E-grade steel with good low-temperature toughness. Mainly used for ships, boilers, pressure vessels, petroleum storage tanks, bridges, power station equipment, lifting and transportation machinery and other higher loads of welded structural components.

3. Grade Q420 steel, high strength, especially in the normalized or normalized and tempered state has high comprehensive mechanical properties. Mainly used for large ships, bridges, power station equipment, medium and high-pressure boilers, high-pressure vessels, rolling stock, lifting machinery, mining machinery and other large welded structural components.

4. Grade Q460 steel, the highest strength, in the normalized, normalized and tempered or quenched and tempered state has a very high overall mechanical properties, all with aluminum supplement deoxidation, the quality grade C, D, E, can ensure that the steel of good toughness of the alternate steel. Used for a variety of large engineering structures and requirements of high strength, loaded light structure.

(C) the characteristics and uses of high-quality carbon structural steel

Superior carbon structural steel referred to as carbon steel, commonly known as superior steel. Is a variety of machine parts manufacturing steel.

1. 08 and 08F steel, used for rolling sheet, deep-drawn products, oil drums, high-grade enameled products, but also for the production of tubes, gaskets and the heart of the strength requirements of the carburized and cyanide parts, welding rods and so on.

2. 10 and 10F steel, with less than 4mm cold pressed deep-drawn products, such as deep-drawn utensils, artillery shell body. Can also manufacture boiler tubes, oil drum tops and steel belts, steel wires, weldments, mechanical parts.

3. 15 and 15F steel, used in the manufacture of mechanical carburization parts, fastening parts, stamping and forging die and do not require heat treatment of low load parts, such as bolts, screws, flanges and chemical machinery with receptacles, steam boilers and so on.

4. 20 steel, used for a variety of mechanical parts that do not undergo a lot of stress and require toughness, such as tie rods, bushings, screws, lifting hooks, etc.; can also be used for the manufacture of non-corrosive media used in 60 atmospheric pressure, 450 ℃ below the pipe, conduit, etc.; can also be used in the heart of the strength of carburized and cyanide parts, such as bushings, rollers, shafts, and the roller of chains, and unimportant gears, sprockets, etc..

5. 25 steel, used as hot forging and hot stamping of mechanical parts, metal cutting machine bed cyanide parts, as well as heavy and medium-sized mechanical manufacturing in the load is not too big shafts, rollers, connectors, washers, bolts, nuts, etc., but also used as a cast steel parts.

6. 30 steel, used as hot forging and ...... >>