constant quantity
英
美
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Noun:
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a quantity that does not vary
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用作名词 (n.)
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Strangeness is assumed to be a conserved quantity in all interactions that are not weak.
假定奇异性是除弱相互作用以外的所有相互作用中的一个守恒量。
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If only conservation forces act, the kinetic energy plus the potential energy remains constant.
如果只受保守力的作用，则动能加势能是一个恒量。
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The speed of light is an important constant.
光速是一个重要的常数。
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The beam has a constant flexural rigidity.
该梁具有常数弯曲刚度。
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