1. By using the companion matrix of polynomials, the necessary and sufficient conditions for two polynomials to have a common root are given, and the solution method of binary higher order equations is given accordingly.
2. Accordingly, many insiders believe that China's commercial health insurance market will usher in a period of rapid development in the next few years.
3. Based on this, the rejuvenation measures are designed: using natural hosts for backgrafting, hybridization and controlled mating.
4. The experts who participated in the forecast chose the most important criteria from the aspects of economic diversity and lifestyle, and selected the top ten cities in their minds accordingly. These experts include demographers, economists, geographers and writers who specialize in urban issues.
5. According to this, the underground steel pipe factory of North China Oilfield has carried out surface phosphating treatment on the steel pipe coated with thermosetting coating, and achieved good results.
6. All operations and stock selection are for reference only, and the operation is self-financing.
7. On this basis, the index and method of dividing the safe optimal flowering period of hybrid rice seed production were put forward, and the start and end time of the safe optimal flowering period in Meitan County was determined.
8. Accordingly, the police immediately summoned Chen. Unexpectedly, accompanied by his family, Chen went to Yinggen Police Station to "explain the situation".
Perhaps more importantly, however, he has the ability to listen to the concerns of local partners in India and make unorthodox business decisions accordingly.
10, which also shows the necessity of online marriage guidance for college students.
1 1. On this basis, the shape of the bit lip is designed, which can shorten the overflow channel and reduce the temperature rise, providing theoretical basis for designers.
12. In this paper, the formation of luster of sheep sheared products and the mechanism of ironing agent during ironing are discussed. On this basis, a low toxic tanning agent was developed.
13. After wandering aimlessly in more than half of the country, he suddenly became interested in China people from east, west, north and south, and finally wrote his own experience "China-Personal Travel and Research Achievements Based on this".
14, and the legal truth is the fact of the case proved by evidence, which is relatively true with a high probability, and the people's court shall make a judgment according to law.
15. Why do foreign exchange traders shout loudly: What if the euro is cancelled? Why do they take unreliable rumors seriously and make all kinds of wayward short-term behaviors accordingly?