With the development of the communication and space technology, military satellite becomes more and more important in the operational system based on information supporting.

通过分析导航定位卫星的信息支援任务集合 ，建立了相应的效能评价指标体系 ； 采用定性与定量相结合的方式研究效能评估方法。

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Most children believe that more space should be given to real-life communication, which could boost honesty, trust and concentration.

大多数孩子认为，应该给现实生活中的交流更多的空间，这样可以促进诚实、信任和专注。

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In 1969, the Radio Amateur Satellite Corporation (AMSAT) was created in order to foster ham radio enthusiasts' participation in space research and communication.

1969年，国际业余卫星组织（AMSAT）成立了，其目的是促进业余无线电爱好者参与并讨论太空研究。

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When Clinton tapped him as his running mate in July 1992, Gore brought some impressive experience to the table, including service in the House and Senate, serious environmental credentials and expertise in science, space policy and emerging communication technologies.

CNN: Vital Stats

The achievements include sending rovers to Mars, placing countless communication and imagining satellites in orbit, and the International Space Station, a semi-permanent home in space.

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Beryllium: used as a lightweight component in military equipment and in the aerospace industry. it is used in high-speed aircraft, missiles, space vehicles and communication satellites.

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