名词短语
中文翻译：变量比例法则
同义词：
['law of proportionality', 'law ofvariation']
例句：
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1. The lawof variable proportions is crucial in determiningthe optimal design for a product.
变量比例法则在确定产品最优设计中至关重要。
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2. Thelaw of variable proportions states that theratio of any two quantities will remain constantif their values are changed independently.
变量比例法则指出，如果两个量的值独立变化，那么它们的比例将保持不变。
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3. In economics, the law of variable proportionsis used to explain how changes in onevariable affect another.
在经济学中，变量比例法则用于解释一个变量的变化如何影响另一个变量。