名词短语
中文翻译：指定材料规格
同义词：
['specification', 'standard']
例句：
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1.The engineer specified the required materials for the project.
工程师为该项目指定了所需的材料。
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2.The company has a strict specification for all its products.
该公司对所有产品有严格的规格要求。
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3. The manufacturer's specifications were very detailed and comprehensive.
制造商的规格非常详细且全面。