火星勘测轨道器是系列卫星的一部分，着陆器和星球车已被应用到这颗红色星球的研究中。
The Mars Reconnaissance Orbiter is part of a fleet of satellites, landers and rover that have dispatched to the Red Planet for studies.
Meridian 4号卫星是俄罗斯正在发射的一系列军用卫星中的第四颗，被用来替代日渐过时的Molniya系统。
The Meridian 4 satellite is the fourth in a series of military satellites being launched by Russia to replace the ageing Molniya system.
中国长征系列运载火箭成功发射27颗国外制造的卫星，在国际商业卫星发射服务市场中占有一席之地。
The "Long March" series of carrier rockets have successfully launched 27 foreign-made satellites, entitling China to a position in the international commercial satellite launching service market.
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