Screen type
There are many kinds of screens, such as LCD screen, LED screen and OLED screen. Different kinds of screens have different characteristics, advantages and disadvantages, and we can choose the appropriate screen according to different needs. LCD screen is the most widely used screen type at present, which has the advantages of low price, low power consumption and good display effect. LED screen has the advantages of bright colors, high brightness and long service life. The advantages of organic light-emitting diode screen are high color saturation and high contrast.
The purpose of the screen
The screen has a wide range of uses. We can use it to browse the web, watch movies, play games and so on. Screen also plays a very important role in work. For example, in the office, we can use the screen to display data and make presentations. In the medical field, screens are also widely used. For example, in surgery, the screen can be used to show the patient's condition and help doctors make correct decisions.
Function of barrier
A barrier refers to a device used to block or isolate certain objects or things. In our daily life, obstacles are widely used. For example, in the construction site, we can isolate the construction area with isolation belts to ensure the safety of workers. In public places, we can also see many barriers, such as airports, stations and other places, using barriers to guide people and maintain order.
The meaning of holding your breath
Holding your breath means stopping breathing, which is usually caused by strong emotions such as surprise and fear. Holding your breath is usually short-lived, but it can leave a deep impression on us. For example, when we see a thrilling movie scene, we may hold our breath for a while and feel a strong sense of tension and excitement.
sieve method
Screening refers to removing some unnecessary objects or things. In life, we often need to filter out some unnecessary things. For example, when tidying up the room, we can filter out some unnecessary things to make the room more tidy. At work, we also need to filter out some unnecessary information. For example, when writing an article, we need to filter out some irrelevant content to make the article more refined.