MESSENGER is scheduled to fly past Mercury twice more before firing its thrusters to enter orbit in 2011.
2011年在MESSENGER飞船点燃推进器进入水星轨道之前，预计它还将飞越水星两次以上。
OVER THE FOLLOWING six months Cassini will fly by Titan twice to study the atmosphere and surface of the giant moon and to prepare for the Huygens mission.
在接下来的六个月中，卡西尼将两度飞越土卫 六，以研究这颗巨型卫星的大气和表面，并为惠更斯任务做准备。
OVER THE FOLLOWING six months Cassini will fly by Titan twice to study the atmosphere and surface of the giant moon and to prepare for the Huygens mission.
在接下来的六个月中，卡西尼将两度飞越土卫 六，以研究这颗巨型卫星的大气和表面，并为惠更斯任务做准备。
应用推荐