law of conservation of charge

例句：

1. 1. The law of conservation of charge states that the total amount of matter and energy in a closed system remains constant over time.
   电荷守恒定律指出，一个封闭系统的物质和能量总量在时间上保持不变。
2. 2. In this experiment, we observed the law of conservation of charge to determine the efficiency of our energy conversion process.
   在这个实验中，我们观察到电荷守恒定律来评估我们的能源转换过程的效率。
3. 3. The law of conservation of charge is fundamental to understanding the behavior of electrical circuits and how they interact with each other.
   电荷守恒定律是理解电路行为及其相互之间相互作用的基础。