火箭成功的将一枚勘测卫星送入地球低轨道。
The rocket successfully lifted a reconnaissance satellite to low Earth orbit.
由于地球低轨道更利于收集情报信息，大多被军事侦察卫星所占有。
The low earth orbit is mostly occupied by military reconnaissance satellites for it is convenient to collect intelligence information.
现在约有2万间太空垃圾在地球低轨道运行，其中大部分是航天器的分离部分或者碰撞残骸。
Some 20,000 pieces of rubbish are currently being monitored in low-Earth orbit, the majority of which are discarded bits of spacecraft or debris from collisions.
他们的使命只是做地球低轨道飞行，以测试月球舱和阿波罗11号以及以后的登月任务所使用的登月舱。
The mission was planned as a low-Earth orbit to test the Lunar Module, the lander later used by Apollo 11 and subsequent missions to land on the moon's surface.
美国航空航天局自20世纪70年代的“阿波罗计划”以来，就没有进行过超出地球低轨道的载人航空活动。
NASA has not flown astronauts beyond low-Earth orbit since the Apollo program, in the 1970s.
该运载火箭是美国空军所有火箭中运载能力最强的，可以将23000公斤的货物送入地球低轨道，可与NASA的航天飞机媲美。
The resulting rocket, the most powerful in use by the US Air Force, is capable of lifting over 23,000 kilograms into low Earth orbit, comparable to NASA's Space Shuttle.
类似space X和Bigelow Aerospace那样的商业空间公司则主张，让私营工业在向地球低轨道提供载人发射方面发挥更大的作用。
Commercial space companies like SpaceX and Bigelow Aerospace have argued for a larger role for private industry in providing human launch services to low-earth orbit.
美国宇航局说，宇航员最早将于2016开始太空飞行。美国航空航天局自20世纪70年代的“阿波罗计划”以来，就没有进行过超出地球低轨道的载人航空活动。
NASA says astronauts would not fly onboard until at least 2016. NASA has not flown astronauts beyond low-Earth orbit since the Apollo program, in the 1970s.
一颗重达100公斤220磅的实验卫星将于7.30号从位于Goheung市距离韩国首府汉城475公里的南韩Naro宇宙空间中心发射，进入地球低轨道。
An experimental satellite weighing 100 kilograms (220 pounds) will be launched into a low earth orbit on July 30 from the Naro Space Centre in Goheung, 475 kilometres (300 miles) south of Seoul.
人类现在很少飞越地球的低轨道。
这将阻碍低轨道地球卫星（LEO）的运转。
This would hinder operations of low-Earth orbiting, or LEO, satellites.
表面重力，这个气体巨人的大气层的气压水平限制在一巴范围，是地球的百分之90的并且需要达到的低轨道的速度是所有的气体行星的最低水平。
The surface gravity, which is defined from the 1 bar pressure level in a gas giant's atmosphere, is 90 percent that of Earth's and the speed needed to reach low orbit is lowest of all the gas planets.
该模型模拟的太阳风暴比2003年的Holloween超级太阳风暴还要强烈，并研究出结果中的电子助焊剂对低轨道地球卫星产生的影响。
The model simulated a solar storm stronger than the so-called Halloween solar superstorms of 2003 and investigated what effect the resulting flux of electrons would have on LEO satellites.
尽管这些结论仍只是在初级阶段，但Shprits预测，在未来几年间此类事件将使得低轨道地球卫星舰队中一大部分的卫星丢失。
Though the results are still preliminary, Shprits predicts that a majority of the LEO satellite fleet could be lost within a few years of such an event.
这两座钟的目标都是要以99.99997%的精确度，去测量低轨道所受的微重力(较之于地球表面)会使时间变慢多少。
Both clocks aim to measure with 99.99997 percent accuracy how much the microgravity of low-earth orbit slows time compared with measurements made on the ground.
低轨重力卫星轨道的精确确定是获得精密地球重力场模型的前提，而精密重力场模型又是获得高精度定轨结果的保证。
On the other hand, the precision gravity model is important guarantees for obtaining high precision orbiting results using the dynamic or reduced-dynamic orbit determination method.
以低加速度从航天飞机的低地球轨道转移到对地静止轨道，需要有限多次点火。
Finite multiple burn method is used for the transfer from Space Shuttle low earth orbit to the geostationary orbit with low accelerations.
以低加速度从航天飞机的低地球轨道转移到对地静止轨道，需要有限多次点火。
Finite multiple burn method is used for the transfer from Space Shuttle low earth orbit to the geostationary orbit with low accelerations.
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