前言检验工作质量是检验机构的生命线。检验机构的工作质量综合反映在其最终产品———检验报告／证书上。检验报告／证书的质量又直接关系到消费者、经营者、生产者和国家的利益，也关系到检验机构自身的科学性、公正性和社会信誉，因而它成为衡量一个检验机构管理水平的重要 Preface The quality of inspection work is the lifeblood of inspection agencies. The quality of the inspection agency’s work is reflected in its final product --- inspection report / certificate. The quality of inspection reports / certificates is directly related to the interests of consumers, operators, producers and countries, as well as the scientific, impartial and social reputation of inspection agencies, so it becomes important to measure the management level of a testing agency