名词
中文翻译：质量公式
同义词：
['mass law', 'mass equation例句：1. The mass formula for a car is the total weight divided by the number of wheels.（汽车的质量公式是总重量除以轮子的数量。）']
例句：
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1. The mass formula for a car is the total weight divided by the number of wheels.
汽车的质量公式是总重量除以轮子的数量。
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2.The mass formula can be used to calculate the density of different materials.
质量公式可以用来计算不同材料的密度。
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3. The mass formula states that the volume of a material is directly proportional to its mass.
质量公式表明，物质的体积与其质量成正比。