名词
中文翻译：Unknown
同义词：
['precise scale', 'precise ratio', 'exact proportion例句：1. The engineer used an exact scale to measure the dimensions of the building.（工程师使用精确的刻度尺测量建筑物的尺寸。）']
例句：
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1. The engineer used an exact scale to measure the dimensions of the building.
工程师使用精确的刻度尺测量建筑物的尺寸。
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2. The architect designed the project with an exact ratio of materials to ensure cost efficiency.
建筑师以精确的材料比例设计项目，以确保成本效率。
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3.The scientist conducted an exact proportion experiment to determine the relationship between variables.
科学家进行了精确比例实验，以确定变量之间的关系。