Did the customer provide the certification on our testing equipment?

　　客戶為我們的實驗設備提供認證了嗎？

　　The teacher certification system is the key link and the most important contents.

　　美國是世界上教師資格認證制度最完善的國家之一。

　　This certificate is invalid.

　　這張證明已失效。

　　The new degree and the existing certificate courses would run in parallel.

　　新的學位課程和現(xiàn)有的證書課程將并行開設。

　　A senior certificate with matric exemption is required for entry to university.

　　上大學需要有中學畢業(yè)的資格證書。