They play a very important role in co - ordinating the apmp inter - laboratory comparisons of measurement standards and in reviewing and evaluating the calibration and measurement capabilities ( cmc ) as well as the quality assurance measures of nmis not only in the region ( regional review ) but also other regions ( inter - regional review ) for inclusion into the technical schedule of the global mra 他们在以下方面扮演非常重要的角色： ( 1 )统筹apmp的相互比对； ( 2 )评估区内及区外国家计量院的校正及和测量能力( cmc )及其品质管理系统，使这些能载于全球互认协议的技术附录。
