Change biàn yì: change; Change: ~ clothing. Similar words: changing face and color? Yi sheng? Yi Xue? Simple? Ex situ? Is it easy? Is it easy? Simple.
Make the following sentences:
1, don't envy the past, don't stick to today, change with the development of the times and change with the atmosphere.
2. Faith is more difficult to shake than knowledge; Love is more difficult to change than respect; Hatred lasts longer than disgust.
3, the mood is easy to be known by things, when upset, people will be unhappy, showing that they are easily moved by interests, easily intimidated by threats, arrogant and hypocritical.
4. The harmony of logic exists in the universe, which is the inevitable result of inaction. But aesthetic harmony, as a vivid ideal, exists in the universe and makes the universe more exquisite. The incomplete process experienced by more subtle things is merged.
Everything is difficult at the beginning, and practice makes perfect after a long time, from difficult to easy, from clumsy to skilled.
6. Key points of autumn health care: Harmony is the most important thing. In autumn, cold and heat are changeable, and it is easy to get sick. It is necessary to recuperate the diet, moisten the lungs and prevent dryness. Harmonious exercise, nourishing the spirit and strengthening the body; Harmony of freezing, cold and warm in autumn; Taste harmony and stay away from sad autumn.
7. The constant variational method is given as a solution of the first-order linear equation.
8. Based on Lagrangian constant variational method, a sufficient condition for global exponential stability of this kind of system is given.
9. In this paper, the general solution formula of Bernoulli equation is given from different angles by using total differential method and constant variation method.
10. In the rural areas of Hong 'an and Xishui, patriarchy has both stability and variability.
1 1. There are three main historical views in modern China: changeable historical view, evolutionary historical view and materialistic historical view.
12, faith is more difficult to shake than knowledge; Love is more difficult to change than respect; Hatred lasts longer than disgust.
13. The fourth-order non-homogeneous linear differential equation with constant coefficients with real characteristic roots is solved by constant variational method, and the general solution formulas for no demand's special solution and fundamental system of solutions's case are given, and the applicability of the formulas is verified by examples.
14. Being able to change with the change of environment is his way of survival.