But that landing was cancelled in 2004 , though two orbiters should still make the journey .
但是，2004年取消了这次计划中的登陆，不过仍将有两颗人造卫星登上旅程。
On deep-space exploration , the paper said china planned to launch orbiters that would make soft lunar landings and do roving and surveying .
在深空探测方面，该白皮书说中国已计划发射人造卫星，做软登月和巡月测量。
Each of the shuttle orbiters are now undergoing decommissioning in preparation for being placed on public display .
所有的穿梭轨道飞行器现在处于退役中，准备对公众展示。
In that decade , as part of preparations for the apollo manned landings , nasa sent a series of probes called lunar orbiters to scan the moon 's surface for landing sites .
