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1·Mechanical energy is conserved, because gravity is a conservative force.

机械能是守恒的，因为重力是守恒力。

2·It should make no difference because gravity is a conservative force.

这没有区别,因为重力恒定。

3·And mechanical energy is only conserved if the force is a conservative force.

机械能只有在，力是恒定时才恒定。

4·The conservative force and the gradient of the potential energy are dual vectors.

保守力与势能梯度互为对偶矢量。

5·Besides, it is pointed out that Japan's conservative force then had no enough power to change the elementary attitude.

日本当时存在的保守势力也不足以改变这种基本态度。

6·Our main concern so far has been to say if we have a conservative force field it means that the work of a force is the change in the energy.

目前为止，我们主要关心的是，如果在保守力场中，力所做的功是，能量的改变。

7·The article proceeds from the characteristic of doing work of electrostatic field strength and proves that electrostatic field is a conservative force field.

文章从静电场力作功的特点出发，说明静电场是保守力场。

8·Whenever the work that is done - by a force is independent of its path — it's only determined by the starting point - and the end point — that force is called a conservative force.

不管何时一个力做功，与轨迹无关-，只取决于开始点，和结束点-，这个力被称为，守恒力。

9·On the other hand, the traditional and conservative force of habit existed indomitably, and the conservative consciousness was still present in the peasants' minds and played an important role.

但另一方面，传统守旧的习惯势力顽强存在，保守意识在农民头脑中仍居重要地位。

10·Since gravity is a conservative force, and since my force is always the same in magnitude except in opposite direction, ; it doesn't matter how I move in; it will always come up with the same answer.

既然重力是恒定的，我施加的力在大小上,不变，就是方向不同，无所谓我怎么移动;,答案总是,相同的。