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2003年9月27日,英国萨里卫星技术公司制造的3颗小型对地观测卫星由俄罗斯的宇宙3M火箭送入预定轨道,与先期发射的“阿尔及利亚星”(ALSAT)1小卫星共同组成了国际灾害监测星座(DMC)。另一颗属于中国的“中国国际灾害监测星座+4”(中国DMC+4)小卫星也将于2005年5月加入这个国际卫
On September 27, 2003, three small earth observation satellites manufactured by the Surrey Satellite Technology Company of the United Kingdom were brought into their intended orbit by the Russian space 3M rocket and formed together with the earlier ALSAT 1 satellites International Disaster Monitoring Constellation (DMC). Another China Satellite Alert +4 (China DMC + 4) satellite will also join the International Guard in May 2005