名词
中文翻译：公制系统
同义词：
['metric system', 'metric system of weights and measures例句：1. The metric system is widely used in international trade.（公制系统在国际贸易中广泛使用。）']
例句：
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1. The metric system is widely used in international trade.
公制系统在国际贸易中广泛使用。
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2. The metric system was introduced to simplify measurements.
引入公制系统是为了简化测量。
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3. The metric system is based on the metric ton, which is a unit of mass.
公制系统以公吨为单位，是一种质量单位。