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- International Space Station in near Earth orbit, NASA astronauts carried out space walks and lost a bolt and a watcher. 在国际空间站接近地球轨道的地方;NASA的宇航员完成了太空行走;迷失了一个螺钉和一个观测仪.
- We sent an unmanned rocket into earth orbit. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- near earth orbit 近地轨道
- One year is one Earth orbit around the Sun. 一年就是地球绕太阳一周的时间。
- Gargantuan asteroid to pass near Earth this fall. 大量小行星今秋将与地球错身而过。
- The Soviet Union put the first satellite into Earth orbit. 苏联发射了第一颗人造卫星进入地球轨道。
- Vicarious Calibration of an Ocean Salinity Radiometer from Low Earth Orbit. 地球低轨道海洋盐分辐射表的替代校准。
- The first two Rangers, launched in 1961, never got out of earth orbit. 最初的两艘游骑兵太空船，在1961年发射，始终没有脱离地球轨道。
- The two satellites were placed respectively in LEO (low earth orbit) and geostationary transfer orbit. 两颗卫星分别进入近地轨道和地球同步转移轨道。
- The earth orbits the sun once every 365.25 days. 地球每365.;25天绕太阳轨道一圈。
- Two million years ago,just as the Earth's primitive apemen were evolving into big-brained humans,a pair of supernovae explosions occurred near Earth. 200万年前,正当地球上原始猿人在向脑容量更大的人类进化的时候,地球附近的两颗超新星发生了爆炸。
- Periapsis in Earth orbit,the point in its orbit where a satellite is nearest to the Earth. 以地球为中心的最近点，人造卫星轨道上离地球中心最近的点。
- The photon belt is reportedly a band of intense photon light that is near Earth at this time. 据说光子带是这个时间接近地球的一条激烈活动的光子光带。
- Within weeks, the Soviets launched another satellite into Earth orbit, Sputnik Two. 仅在几个星期内，苏联就发射了第二颗卫星??史泼尼克2号??进入地球轨道。
- Withthe enhancement of the space militarization, it is necessary to know the present low earth orbit satellites. 随着太空军事化趋势的日益增强,了解和认识当前的低轨道卫星较为必要。
- Launch vehicle: Rocket system that boosts a spacecraft into Earth orbit or beyond Earth's gravitational pull. 运载火箭:将航天器推入绕地球轨道或脱离地球引力范围的火箭系统。
- Two million years ago, just as the Earth's primitive apemen were evolving into big-brained humans, a pair of supernovae explosions occurred near Earth. 200万年前,正当地球上原始猿人在向脑容量更大的人类进化的时候,地球附近的两颗超新星发生了爆炸。
- Orion will dock with the lunar module in Earth orbit, and the Earth departure stage will propel both to the moon. 猎户座"飞船将与低地球轨道上的登月舱对接，由地球出发站将两者送往月球。
- Together in Earth orbit, the spacefaring combination was momentarily the third brightest sky light in view. 与地球轨道同步，太空上的联合体暂时成为了天空中第三亮的天体。
