根据能量守恒定律，推导出磨料在圆管边壁处的速度表达式。
Based on the law of energy conservation, the velocity expression of the abrasive flowing along the wall of the round pipe is derived.
根据能量守恒定律，液体变为固体时放-出的热量必定等于该固体变为液体时所需的热量。
According to the Law of Conservation of Energy heat equivalent to that which is required to change a solid into liquid must be given out when the reverse change takes place.
根据基本的质量守恒定律、能量守恒定律以及一些经验公式等建立了系统的动态数学模型。
Based on the mass conservation law, the energy conservation law and some empirical equations, the dynamic model is built.
根据气体瞬变流动过程中所遵循的质量、动量和能量守恒定律建立描述气体瞬变流动的数学模型。
It constructs a mathematic model to describe gas transient flow according to the mass, momentum and energy conservation law.
从光的波粒二象性出发，分别根据光波的能量守恒定律及光子出现的概率密度与电场强度的平方成正比，推导出光吸收的朗伯定律。
From the wave-particle duality, we can deduce the Lambert law of light absorption according to the light waves energy and probability of photon.
根据实际需求归纳了一种宽带的、无损耗的理想合路器模型，然后从能量守恒定律出发，证明了这种理想合路器是不可实现的。
We supposed a broadband and lossless 'Perfect Combiner' model according to the practicality requirements. Then we prove it according to the law of conservation of energy.
根据实际需求归纳了一种宽带的、无损耗的理想合路器模型，然后从能量守恒定律出发，证明了这种理想合路器是不可实现的。
We supposed a broadband and lossless 'Perfect Combiner' model according to the practicality requirements. Then we prove it according to the law of conservation of energy.
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