4 NASA today selected Phoenix , an innovative and relatively low-cost mission, to study the red planet on the first Mars Scout mission. The phoenix-Lander mission is scheduled for launch in 2007.
4 NASA today selected Phoenix , an innovative and relatively low-cost mission, to study the red planet on the first Mars Scout mission. The phoenix-Lander mission is scheduled for launch in 2007.
2003年8月4日（美国）航空航天局今天选定“凤凰”号探测器执行其研究红色性的“火星侦察”计划中的首次任务。这是一次有所创新的任务，而且成本相对较低。“凤凰”号探测器按计划将于2007年发射。