Practice for statistical analysis of one - sample and two - sample interlaboratory proficiency testing programs 单一样品和两个样品实验室之间能力验证项目统计分析采用规则
2.
We will follow the design you offer to make a sample first , you may ask to fix till three times if necessary 依您给的设计图制作单一样品,您在看到样品后,可依需要修改(最多修改三次,超过次数需另收费用) 。