principle of conservation

• 守恒原理

principle of conservation的用法和样例：

例句

1. This is a process for which the principle of the conservation of mechanical energy holds.
   这是一个能够应用机械能守恒原理的过程。
2. Namely, because of medium nonlinearity, the energy of different modes of seismic waves is reassigned and displayed in records but fits the energy conservation law.
   在遵守能量守恒原理的前提下，介质的非线性会引发地震波场中各波型间能量的再分配。