月球的引力是地球引力的六分之一，所以嫦娥四号的实验是一个测试：地球上的植物能知道月球上哪个是向上的方向吗？
The moon's gravity is a sixth as strong as the earth's, so Chang'e-4's experiment was a test: would the earth plants know which way was up on the moon?
地球引力减缓了月球的自转速度，使之与其轨道的速度相匹配。
The earth's gravity slows the moon's rotation, matching it to the speed of its orbit.
卫星以11.2千米每秒的速度前进可以脱离地球引力，这被称为“逃逸速度”。
Eleven point two kilometers per second, at which satellites can be freed from the gravitation of the earth, is called "escape speed".
如果一架宇宙飞船飞行超过每秒11公里，它就能摆脱地球引力。
If a spacecraft travels faster than 11 km a second, it escapes the Earth's gravitational pull.
地球引力使物体落到地面上。
首先，他要在自己的实验中排除地球引力的影响。
His first care was, to render the attraction of the earth an inefficient element in his experiment. He did it in the following way.
这是地球引力的固定部分。
火星引力大约只有地球引力的八分之三。
The gravity on Mars is only about three-eighths of that on Earth.
由于氢气是地球上最轻的气体，因此最容易挣脱地球引力。
As the lightest gas, hydrogen is the one that most easily overcomes a planet's gravity.
似乎伦敦房市将无视“地球引力”，继续“天价”一段时日。
The London market looks likely to defy gravity for a while longer
尽管离子发动机不能使航天飞机很好地摆脱地球引力。
Though an ion engine could never lift a spacecraft out of Earth's gravity well.
拍摄前遵循构图法则有些像在走路前要遵循地球引力一般。
To consult the rules of composition before making a picture is a little like consulting the law of gravitation before going for a walk.
对地球引力的研究表明，在不寻常的负荷之下地壳和地幔会发生位移。
Studies of thegravity field of the Earth indicate that its crust and mantle yieldwhen unusual weight is placed on them。
地线边缘微黄色的天空闪闪发亮，突出了被地球引力所俘获的稀薄大气。
Yellowish air glow at Earth's geodesic boundary highlights the thin atmosphere secured by our home planet's gravity.
对地球引力的研究表明，在不寻常的负荷之下和会发生位移。
Studies of the gravity field of the Earth indicate that its and yield when unusual weight is placed on them.
化学燃料动力火箭可以提供克服地球引力所必须的强大推进力。
Chemical rockets have the high thrust necessary to lift rockets into space, overcoming the Earth's gravitational pull.
发源自月球表面以下几英里的轻微月震据估计是由地球引力的牵引造成的。
Small moonquakes, originating several kilometers below the surface, are thought to be caused by the gravitational pull of Earth.
宇宙飞船克服地球引力所需的逃逸速度约为每秒7英里（也即34马赫）；
The escape velocity needed by a spacecraft to overcome the tug of Earth’s gravity is around seven miles per second—ie, Mach 34.
我们惊奇地看到，随着地球引力的增加，宇宙飞船的外层燃烧起来。
We watched, amazed as fire broke out on the outside of the space ship as the gravity increased.
有时候我想地球引力的发现也许应该归功于那几只落在牛顿头上的苹果。
Sometimes I think the discovery of gravitation perhaps should be credited to those apples falling on Newton's head.
新月时产生的地球引力就如同呼气的末端，此时所产生的下行气息能量最强。
The new moon energy corresponds to the end of exhalation when the force of apana is greatest.
尽管我们都知道，地球引力不可战胜，但他们的每次跳跃和提举都表达了克服地球引力局限的希望。
Though we know of gravity's inevitable victory, with every leap and lift, they express our secret hope to overcome our own earthbound limitations.
目前对于太阳和地球引力变化引起的微振动，采用先进的主动控制能达到高精度的隔振要求。
Adopting the active control can meet the isolation demand high accuracy for tiny vibration induced by the gravitation variation between the sun and the earth.
这样一来，地球引力对钢棍的作用就互相抵消，这是必然的。而且，由于两端重量相等，所以它能够保持稳定。
By this the attractive force of the earth was not suspended, it is true; but it was balanced by the equality of the weights.
斯图克利写道，牛顿告诉他，当年正是在这样的情景中，正是在苹果树下，他的脑子里迸发出了地球引力的概念。
Stukeley wrote that Newton told him the notion of gravity popped into the scientist's mind as he was sitting in the same situation.
Skye是建在Unique酒店屋顶上的绚丽泳池，这座奢华酒店本身的建筑就有够特别，是违反地球引力的倒弧形。
Skye is the spectacular rooftop pool of Hotel Unique, a luxury boutique hotel built in the gravity-defying shape of an inverted arc.
Skye是建在Unique酒店屋顶上的绚丽泳池，这座奢华酒店本身的建筑就有够特别，是违反地球引力的倒弧形。
Skye is the spectacular rooftop pool of Hotel Unique, a luxury boutique hotel built in the gravity-defying shape of an inverted arc.
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