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？
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?
本文从安培环路定理、高斯定理及电荷守恒定律出发导出了位移电流的具体形式。并对位移电流作了简单的讨论。
Based on the ampere return circuit theorem, gauss theorem and charge conservation law the concrete form of displacement current is derived. The displacement current is discussed.
本文从安培环路定理、高斯定理及电荷守恒定律出发导出了位移电流的具体形式。
Based on the ampere return circuit theorem, gauss theorem and charge conservation law the concrete form of Displacement current is derived.
介绍了在非惯性系中建立动力学方程的方法，惯性系中拉格朗日方程在非惯性系中的转换形式，以及非惯性系中的能量定理和能量守恒定律的应用等研究成果。
Recent trends in the Lagrange equation's conversion and form from inertial system to non-inertial system, the application of energy theorem, energy conservation law, etc. are introduced.
用动量守恒定律和数学中等差级数的极限证明了火箭速度公式的两种形式是一致的。
By adopting the momentum conservation theorem, perforation of truncated oval-nosed projectile into stiffened plates was investigated.
用动量守恒定律和数学中等差级数的极限证明了火箭速度公式的两种形式是一致的。
By adopting the momentum conservation theorem, perforation of truncated oval-nosed projectile into stiffened plates was investigated.
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