建立计量基准，可以由相应的计量技术机构向国家质检总局申报。
To establish a metrological benchmark, the corresponding technical institution of metrology may file an application to the GAQSIQ.
介绍了利用常规执行机构和先进检测设备，在控制不同物质进行动态混合时获得较高控制精度的原理；分析了消除累计量（物料投放量）控制误差的技术和方法。
Principle of getting high control precision with normal processing devices and advanced measuring devices in mixing different matter is introduced; the methods of reducing control error are analyzed.
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