大小单双正规平台
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?建立计量标准的目的 ： 紫外可见分光光度计属强制检定的计量器具，为了统一这些计量器具的量值，向企业提供全面可ㄨ靠的计量服务，确保该计量器具不影响我市的工业安全生产，卫生环境检测，建立了这一社会公用计量标准。?
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