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中国国家航天局与欧洲空间局合作开展的“双星计划”,其两顺卫星发射时间已基本确定,赤道区卫星、极区卫星将分别于2003年6月12日发射升空。
The “dual satellite program” jointly conducted by China’s NASA and the European Space Agency has basically determined the launching time of the Liangsun satellite. The equatorial and polar satellite will be launched respectively on June 12, 2003.