名词
中文翻译：Unknown
同义词：
['aggregate classification', 'aggregate grading']
例句：
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1. The company has implemented a new system for aggregate grading to improve efficiency.
该公司已实施新的系统进行集合分级以提高效率。
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2. The engineers are working on an aggregating grading project to help the community.
工程师们正在从事一个集合分级项目，以帮助社区。
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3. The government is considering a new law that would aggregate grading waste materials.
政府正在考虑一项新法律，将对废物材料进行集合分级。