名词
中文翻译：等效比例
同义词：
['proportion', 'equivalent ratio']
例句：
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1.The engineer calculated the exact equivalent proportion of materials needed for the project.
工程师计算了项目所需的材料精确的等效比例。
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2.In order to ensure the safety of the construction site, the workers must follow the equivalent proportion of safety regulations.
为了确保施工现场的安全，工人必须遵守安全规程的等效比例。
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3. The scientists found that the equivalent proportion of different elements in the sample had a significantimpact on its properties.
科学家们发现样品中不同元素的等效比例对其性质有显著影响。