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当前学科:材料员专业基础知识
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国际标准是指未经ISO确认并公布的其他国际组织的标准、发达国家的国家标准、区域性组织的标准、国际上有权威的团体标准和企业(公司)标准中的先进标准。
A . 正确
B . 错误
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