组合标准 meaning in English

collective standard

Graphic technology and photography - certified reference materials for reflection and transmission metrology - documentation and procedures for use , including determination of combined standard uncertainty
图形技术和摄影.反射和传输计量学用认证的标准物质.包括组合标准不确定度测定在内的使用文档和规程
Some feasible outline schemes of horizontal directional drilling were order - sorted based on the combinatorial optimization of outsourcing parts schemes with standards of evaluation mark , cost and ratio of performance & price
以评价积分、成本和性价比为组合标准，在外购件方案组合优化基础上，对水平定向钻机整机设计方案进行了排序优选。