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- Unmanned Lunar Orbiter 无人月球轨道飞行器
- Solar perturbation of the lunar orbit. 出差由于太阳引力引起的月球轨道运动的摄动
- Next came three flights to test rendezvous between the manned spacecraft and the unmanned lunar landing craft in Earth orbit, culminating with the crew transferring from one to the other. 后来的三次是测试载人飞船与绕地飞行的不载人登月飞船的会合，计划的高潮是宇航员从一个飞船转移到另一个飞船。
- The farthest point on the lunar orbit is called apogee. 而绕月轨道里地球最远的点则为远地点。
- The booster was Saturn C-3 and the key technique was lunar orbit rendezvous. 采用萨杜恩C-3运载火箭，关键技术是月球轨道会合。
- China's first lunar orbiter has made a successful lift off from its launch site in the southwest of the country. 中国首颗绕月探测卫星成功在位于中国西南的发射基地发射升空。
- TOKYO, Japan (AP) -- Japan is set to launch its first lunar orbiter this summer, but exploring the moon is just part of the mission. 日本,东京(美联)-日本即将本年夏天发射第一枚绕月轨道卫星,但探索月球仅仅是此次任务中的一部分。
- The 2008 lunar orbiter could fill in the gaps by charting the moon's surface with radar imaging, laser altimetry and high-resolution spectroscopy. 而2008年的绕月卫星，便能藉由雷达成像术、雷射高度计以及高解析度的光谱仪，来绘制月球表面以便填补落差。
- The engine ignition) Last month, Japan launched a lunar orbiter, the most technically complex mission to the moon since the Apollo program of the 1960s. 发动机点火)上个月，日本发射了一个绕月卫星，这是自1960年代的阿波罗发射以后，卫星飞向月球技术上最复杂的任务。
- This paper investigates the least maneuver velocity through the tolerable apolune and other lunar orbit elements. 另外，第一次近月制动失败后，卫星飞行大约15小时将飞离月球影响球。
- unmanned lunar exploration support 无人探月飞行保障
- Options given by the poll organizers included broad topics such as food safety and environment protection and hot stories like the launch of the Chang'e I lunar orbiter. 调查中的其它选项还包括：食品安全、环境保护，以及一些诸如“嫦娥一号环月卫星升空”的热门话题。
- The first spacecraft of the program, Chang\'e 1, an un-manned lunar orbiter was successfully launched at Xichang Satellite Launch Center on October 24, 2007. 这个计划的首颗非载人绕月卫星嫦娥一号，已于2007年10月24日在西昌卫星发射中心成功发射。
- Following the promoting Chang’E-1 lunar orbiter mission, the lunar landing mission and sampling return lunar mission are also considered by Chinese scientists and engineers. 伴随着绕月探测计划嫦娥-1的实施，中国科学家和工程师们也在考虑月球着陆探测和采样返回探测计划。
- Since the orbiter, the Command Module, had already been thoroughly tested, a decision was made in August 1968 to send Apollo 8 into lunar orbit instead. 由于轨道舱和指令舱已经全部测试完成，于是就决定在1968年8月先把阿波罗8号发送到月球轨道。
- Abstract.The first orbit maneuver of lunar orbit insertion (LOI) must be implemented at the first perilune of the spacecraft flight to the moon. 摘要: 月球捕获控制第一次制动必须在卫星飞向月球的第一近月点完成。
- This Earthrise as well as the famous Earthrise captured 40 years ago by the crew of Apollo 8, only occurs for observers in lunar orbit. 这张地出图与40年前阿波罗8号拍摄的著名地出一样只能是处在月球轨道上才能看到。
- A view of the rising Earth greeting the Apollo 8 astronauts as they came from behind the moon after the lunar orbit insertion burn. 这个画面是月球嵌入轨道燃烧后阿波罗8号宇航员正好在月球后面时正赶上地球徐徐升起的场景。
- It too will be a larger ship than its predecessor, big enough to carry all four astronauts down to the surface while the mother ship idles empty in lunar orbit. 它也将是比它前任更为巨大的飞行船,大到足够运载四位宇航员下至月球表面（当母舰在绕月轨道腾空待用的时候）。
