certificationn.证明；认证；证书；鉴定Certification by the Issuing Authority发证机关证明Certification Culture Of Ancient China中国古代证明文化certification of agricultural products农产品认证certification of materials and products材料与制品鉴定certification of the specialized course专业课程“证书化”Certification by the competent authority主管当局的证明书certification of nondestructive personnel无损检验人员证明书certification of quality management system质量管理体系认证Certification Manual for Welding Inspectors焊接检查员认证手册Certification of Consultant Agent Regulation认证咨询机构管理办法