双语例句
This posed a conundrum for researchers working with the laser: How were they to apply the laws of conservation of charge and conservation of energy with two forms of energy output?
这就为研究激光的工作人员出了一个难题:如果能量输出有两种形式,他们怎样运用电荷守恒和能量守恒定律呢?
词典释义:
守恒定律
This posed a conundrum for researchers working with the laser: How were they to apply the laws of conservation of charge and conservation of energy with two forms of energy output?
这就为研究激光的工作人员出了一个难题:如果能量输出有两种形式,他们怎样运用电荷守恒和能量守恒定律呢?