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汉语拼音：háng tiān

也叫宇宙航行、空间飞行。在地球大气层之外的空间或太阳系内部行星之间的空间航行。

1. 指人造地球卫星、宇宙飞船等在地球附近空间或太阳系空间飞行。

   《文汇报》1988.9.8：“我国航天应用技术领域已走在世界前列。”

• The altitude determination of spacecraft has always been a hot problem in spaceflight and aero aviation.

  飞行器姿态一直是航天航空领域研究一大热点和难点问题。

• NASA Administrator Charles Bolden said the goal is to make full use of the space station as "the national lab it was envisioned to be. "

  航天局局长查尔斯·博尔登表示，他们的目标是“要充分利用空间站。”

• They want to know how much money could be saved by cancelling parts of the shuttle's successor.

  他们想搞清楚取消建造部分新一代航天运载工具会节省多少资金。

• Our relevant government departments should attach as much importance to IT industry as they have done to the aerospace industry.

  我国政府有关部门，应该像重视航天事业一样重视信息产业。

• No one seems to know for sure. But an official of the American space agency NASA says the expression just grew.

  似乎没有人确切知道。但美国航天局官员表示只是表达增加了。

• "I think it's kind of a real shame it's not going to be around anymore, " she said.

  “我认为这是一种真正的惭愧，当航天飞机不在我们身边的时候”她说道。

• Each arm would be made of a plastic film that could be rolled out onto the surface of the moon, either by robots or by astronauts.

  每一个臂状结构都由塑料薄膜造成，可被机器人或航天员铺展在月球表面。

• Travis T. Thompson sits in an air-conditioned conference room talking about the end of the Shuttle program.

  特拉维斯T汤普森坐在一个空调办公室谈论着航天飞机计划的终结。

• But believe it or not, there have been stranger things to pop up in NASA? s launch history.

  不过信不信由你，NASA的航天器发射史上还发生过许多更加令人匪夷所思的事件。