火箭发射了两颗通信卫星。

The rocket launched two communications satellites.

它们能使通信卫星失效并关闭电力系统。

They can disable communications satellites and shut down power systems.

本文介绍中国第二代国内通信卫星——东方红二号甲（DFH-2A）的总体及分系统概貌。

This paper gives a brief description of the DFH-2A communication satellites which are the second generation of Chinese domestic communication satellites.

我的第一份工作是为一家大型防务公司建立对地同步的通信卫星。

My first job was for a large defense company building geosynchronous communications satellites.

中国第100次发射长征系列运载火箭，将一颗用于电视和广播的通信卫星送入太空。

China has launched its 100th Long March rocket, lifting a communication satellite for radio and television into orbit.