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7月20日7时37分,我国在太原卫星发射中心用长征四号丙运载火箭,以“一箭三星”方式,成功将创新三号、试验七号和实践十五号3颗技术科学试验卫星发射升空,卫星顺利进入预定轨道。3颗卫星主要用于开展空间碎片观测和空间机械臂操作等空间维护技术科学试验。
At 7:37 on July 20th, China successfully launched the three technologies of Innovation No. 3, No. 7 and No. 15 on the “Long March IV” carrier launch vehicle in Taiyuan Satellite Launch Center with the “One Arrow SamSung” method Scientific experiment satellite launch, the satellite successfully into orbit. The three satellites are mainly used for carrying out scientific experiments on space maintenance technologies such as space debris observation and space manipulator operation.