archiving

1.In the PC world, archiving and compression usually happen together by using utilities such as PKZIP.

在PC机世，档文件和压缩文件通常使用PKZIP应用程序来压缩。

2.The promotion, demotion and declassification are transacted every half a year.The archiving should be checked and cleared up yearly.

公司半年办理一次升、降、解密手续，年档时进行核对、清理。