| 1. | Momentum conservation is a consequence of newton's laws .
动量守恒是牛顿定律的一个推论。 |
| 2. | Any interchange will be governed by the conservation of energy .
任何交换过程都要服从能量守恒。 |
| 3. | Angular momentum conservation is based on the isotropy of space .
角动量守恒是以空间的各向同性为基础的。 |
| 4. | To a very good approximation the total energy is conserved .
作为一个非常好的近似，这里的总能量是守恒的。 |
| 5. | Invariance under translation in time leads to conservation of energy .
在时间平移下的不变性导致能量守恒。 |
| 6. | The conservation of energy does not require that a system be isolated .
能量的守恒并不要求系统必须是孤立的。 |
| 7. | These are equations of local conservation of mass and the jump condition .
这些就是局部质量守恒方程和跃变条件。 |
| 8. | It is important to remember that kinetic energy is not conserved in the collision .
必须记住，在碰撞中动能不守恒。 |
| 9. | This is in contradiction to caloric-theory notion of conservation of heat .
这种观点和热质论关于热量守恒的观念相矛盾。 |
| 10. | When the friction force acts alone, the total mechanical energy is not conserved .
当只有摩擦力作用时，总机械能就不守恒。 |
