1·He is the certifier of this incident.
他是这件事的证明人。
2·Certification format: Certifier's signature should be placed on the first page of the copy document and the number of pages should be recorded.
证明格式：证明人应在文件复印件首页签字，并注明页数。
3·The independence of AWS as a certifier brings unquestioned integrity to its programs.
美国焊接学会作为一证明人，它的独立性将带给其程序无可怀疑的公正性。
1·The ca certifier is a physical entity that exists somewhere (in a document, file, hard drive, floppy, and so on).
ca证明者是存在于某个地方(文档、文件、硬盘驱动或者软盘等等)的物理实体。