领导部档案史志中心业务，归口管理部机要通信室。
To administer the various business of the archives and chronicles center; to administer the confidential and communication office.
十多年来，机要通信业务规范变化很大。
The standards of confidential communication business change greatly in the last ten years.
目前，该项目已经通过验收，在郑州市邮政机要通信局正式使用。
At present, the project has passed the general acceptance of the experts. It is used officially in Zhengzhou postal confidential communications bureau.
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