单反射镜结构转台中，通信光先经反射镜反射，再配合方位、俯仰方向的角度调整，实现光轴的精确对准。
In the process of work, the laser was reflected by the mirror at first, then turntable adjusted the reflection direction through changing the Angle of azimuth and pitching for accurately pointing.
这家创业公司向企业提供云通信服务及应用，当然，你得先订阅它。
The startup provides cloud communication and apps to businesses on a subscription basis.
本文先对集群通信系统的概念作一些阐述，包括其含义、特点和一些主要功能。
The paper describes the concepts of trunking communication system including its im-plication, characteristics and some main functions.
本文先简要介绍了RFID技术的原理和将其应用于通信资源（资产）管理中的优势。
The paper briefly introduces the RFID technology and its merit in telecommunication resource (assert) management system.
本文先简要介绍了RFID技术的原理和将其应用于通信资源（资产）管理中的优势。
The paper briefly introduces the RFID technology and its merit in telecommunication resource (assert) management system.
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