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美文示范

中国队首获赛艇世界杯男子四人双桨冠军

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The International Conference on Studies of the Community for the Chinese Nation, the parallel session of the Second World Conference of Sinologists, was held on Wednesday at the Palace of China Ethnic Cultures in Beijing.

Carsten B. Th?gersen, Danish sinologist and former Consul-General of Denmark in Shanghai, said in an exclusive interview with China News Network that it's important that foreigners visit China to see for themselves, to meet Chinese people and to speak with them so that they can understand China much better. (Wang Fengping)

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推进舱和返回舱的分离是返回过程中最具技术难度的环节之一，同时也是整个飞船安全着陆的必要步骤。具体来说，就是采用推进系统的主动推力，通过推进系统稳定的加速带动返回舱完成推返分离，以避免可能产生的碰撞危险。推返分离后，推进舱也会随返回舱移到载入大气层。有所不同的是推进舱会载入销毁，而返回舱则要独自踏上回家之旅。