meteor trail communication system
常见例句
- Function of a control equipment in meteor-trail communication system and its requirements are described, with its block diagrams for use in FM system and some principle remarks introduced.
本文叙述流星余迹通讯体系中控制设备的作用及对它提出的要求。 简略介绍在调频制体系中采用的一种控制设备的方案及某些主要问题。 返回 meteor trail communication system