中国发射一颗高清地球观测卫星

时间:2015-12-29 01:39:30

(单词翻译:单击)

China on Tuesday launched its most sophisticated observation satellite, Gaofen-4.

本周二,中国发射一颗最先进的地球观测卫星,高分4号。

 
Gaofen-4 was launched from the Xichang Satellite Launch Center in the southwestern province of Sichuan at 00:04 a.m. aboard a Long March-3B carrier rocket. It was the 222th flight of the Long March rocket series, according to the State Administration of Science, Technology and Industry for National Defense1 (SASTIND).
 
Gaofen-4 is China's first geosynchronous orbit HD optical imaging satellite and the world's most sophisticated HD geosynchronous orbit remote sensing satellite, according to Xu Dazhe, head of SASTIND and China National Space Administration.
 
The successful launch of Gaofen-4 was the 19th space mission in this year. It will be used for disaster prevention and relief, surveillance of geological disasters and forest disasters, and meteorologic forecast, according to Tong Xudong, the chief designer of the Gaofen project with SASTIND.
 
The Gaofen project aims to launch seven high-definition observation satellites before 2020.
 
Gaofen-1, the first satellite of the project, was launched in April 2013.

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1 defense AxbxB     
n.防御,保卫;[pl.]防务工事;辩护,答辩
参考例句:
  • The accused has the right to defense.被告人有权获得辩护。
  • The war has impacted the area with military and defense workers.战争使那个地区挤满了军队和防御工程人员。

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