航天部李绪鄂部长正式宣布,我国自行研制的“长征二号“、“长征三号”运载火箭投入国际市场,承揽国内外用户发射卫星业务。“长征二号”是七十年代中期研制成功的一种大型二级液体运载火箭,能将重约两吨的卫星送入近地轨道。连续七次发射卫星的实践证 Ministry of Aeronautics and Astronautics Minister Li Xuge announced formally that China’s self-developed “Long March II” and “Long March III” launch vehicles have entered the international market and have undertaken the launching of satellite services by domestic and foreign users. The “Long March II” is a large, second-class liquid carrier rocket that was successfully developed in the mid-1970s and can send satellites weighing about two tons into orbit. Practice of transmitting satellites seven times in a row