• 宇航员们今天最后一尝试颗通讯卫星无用轨道拯救出来。

    Astronauts will make a final attempt today to rescue a communications satellite from its useless orbit.

    《柯林斯英汉双解大词典》

  • 有一我们看到轨道一致方式移动

    Once, we saw it was moving in a pattern consistent with an orbit.

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  • 星球每太阳绕行一周,椭圆形轨道中轴就变化

    The mainaxis of the planet's orbital ellipse shifts each time it goes round the sun.

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  • 它们并非经常发生大约只有一年,因为太阳月亮轨道相互倾斜它们很少能排成一条直线

    They don't happen often-only about once a year-since the tilted orbits of the sun, moon, and Earth make their alignment rare.

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  • 在灶神轨道之后的“黎明”号太空旅行中进行罕见的表演- - -重新点燃发动机转变方向环绕一个天体运行。

    After spending a year in orbit around Vesta, Dawn will perform a trick rare in space travel-it will reignite its engines and head off to orbit another body.

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  • 这种情况每年平均发生不是每月都发生,因为月球地球公转轨道稍稍有点

    This happens about once or twice a year, on the average, but not each month since the Moon's orbit around the Earth is slightly tilted.

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  • 也是第一非专业宇航员有机会乘坐美国发射航天器进入太空轨道

    The flights would be the first to give nonprofessional astronauts the chance to go into orbit aboard a spacecraft launched from the United States.

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  • 艾萨克·牛顿其后发现彗星沿椭圆轨迹移动,处于环绕太阳椭圆形轨道,他还准确地预测了彗星能够回归

    Isaac Newton later discovered that comets move in elliptical, oval-shaped orbits around the Sun, and correctly predicted that they could return again and again.

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  • 照片安装火星侦察轨道器上功能强大HiRISE像机所拍摄,该探测器2006年以来一直环绕红色星球运行。

    The picture was taken by the powerful HiRISE camera on board the Mars Reconnaissance Orbiter - a probe that has been circling the Red Planet since 2006.

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  • 迪勒第三任务称为猎户座i”(Orion i)的无人飞行试验发射真正的猎户座太空船轨道

    The third mission, called Orion I, is planned to launch an actual Orion spacecraft into orbit, but on an unmanned test flight, Diller said.

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  • 信使号2004年发射升空以来已经掠过水星,最终计划2011年3月进入太阳系内部行星——水星的轨道

    MESSENGER has zipped right by Mercury three times since being launched in 2004, and is scheduled to enter orbit around the innermost planet in March of 2011.

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  • 有一我们发现在沿着一个轨道连续不断移动,我们才知道这是卫星。

    Once we saw it was moving in a pattern consistent with an orbit, we knew it was a satellite.

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  • 进入火星木星之间小行星环绕一个天体轨道而进行第一探索

    It is the first probe to enter orbit around an object in the main asteroid belt between Mars and Jupiter.

    youdao

  • 持续超过的飞行航天飞机第一进入太空轨道

    The trip, which lasted more than two days, was the first to take the shuttle into orbit.

    youdao

  • 印度第一超越地球轨道太空任务

    This is India's first space mission beyond the Earth's orbit.

    youdao

  • 不仅如此,翼板充当手绢角色,抹干净细微轨道残留物比如前一发射时留下的斑点印记。

    Not only that, but the sail will also act like a handkerchief, mopping up microscopic orbital detritus such as flecks of paint from previous launches.

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  • 鉴于它的所有缺点是个大胆构想能够例行进出轨道运载工具取代火箭开启太空时代

    For all its flaws, it was a bold idea: to replace the throw-away rockets that began the space age with a truck that could go in and out of orbit routinely.

    youdao

  • 座椅下面有个轨道,因此座椅可以前后滑动,这样时可以增大它们迎角使每一划船时桨水中停留的时间更长,从而有效率

    Her seat slides forward and back on tracks in the center of the cockpit, which increases the OARS 'Angle of attack as they enter the watermaking each stroke longer and more efficient.

    youdao

  • 1933年提出解释星系环在星团轨道的转速基于星系可见物质而得出理论转速要高的概念

    The concept was first proposed in 1933 to explain why the outer galaxies in galaxy clusters orbit faster than they should, based on the galaxies' visible mass.

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  • 地球火星必须确定轨道运行,这种情况下,发射只能25各月才有机会发射

    Earth and Mars have to be at the right positions in their orbit for this method to work, and the launch window only comes around once every 25 months.

    youdao

  • 到目前为止哥本哈根次轨道组织看似已经采取了所有预防措施但是未来他们的小额预算将会使他们承担更大风险补充说

    So far, Copenhagen Suborbitals appears to have taken every precaution, but their small budget may lead them to take greater risks in the future, he added.

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  • 这种情况下每一碰撞产生新的碎片引发更多产生碎片碰撞直到地球轨道出现无可救药堵塞航天器甚至卫星无法使用。

    In that scenario, each collision would generate new debris, causing more debris-generating collisions, until low Earth orbit becomes hopelessly clogged and unusable by spacecraft or even satellites.

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  • 如果未来测试飞行进行得顺利,哥本哈根次轨道组织要加快他们的步伐——他们希望2013年之前载人飞行

    If future test flights go well, Copenhagen Suborbitals wants to move fast-the team hopes to have a manned flight by 2013.

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  • 发射NASA新型火箭第一轨道飞行测试,成熟后的战神I号替代航天飞机搭载猎户太空舱进行载人航天的任务。

    The rocket launch is NASA? S first suborbital test of the new Ares I booster to launch astronauts to space aboard its shuttle successor, the Orion craft.

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  • 哥本哈根次轨道组织创立者表示他们建造航天飞船的动机部分出于个人目的。

    The Copenhagen Suborbital founders have said that their motivation for building a spacecraft was partly personal.

    youdao

  • 没有“飞经”(利用各行星重力场作用),办法使信使号降到能滑水星轨道的速度

    Without its six fly-bys—which used the gravitational fields of the planets involved to counter that effectMessenger could not have slowed sufficiently to allow it to drop into its intended orbit.

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  • 的确谁又拒绝这样星空轨道俯瞰我们地球机会呢?

    Indeed, who would refuse a chance to rise up to the stars and have a look at our Planet Earth from the orbit?

    youdao

  • 的确谁又拒绝这样星空轨道俯瞰我们地球机会呢?

    Indeed, who would refuse a chance to rise up to the stars and have a look at our Planet Earth from the orbit?

    youdao

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