Did the customer provide the certification on our testing equipment?

　　客戶(hù)為我們的實(shí)驗(yàn)設(shè)備提供認(rèn)證了嗎？

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

　　美國(guó)是世界上教師資格認(rèn)證制度最完善的國(guó)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(xué)位課程和現(xiàn)有的證書(shū)課程將并行開(kāi)設(shè)。

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

　　上大學(xué)需要有中學(xué)畢業(yè)的資格證書(shū)。