gravitational attraction

If you treble the distance, the gravitational attraction gets nine times weaker.

如将距离增大两倍, 则其万有引力就减小九分之八.

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Describes the static calibration methods of accelerometer: gravitational attraction method, loading method and centrifuge method.

文摘:介绍了静态校准加速度计的方法: 地球重力法 、 负载法和离心机法.

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Many asteroids are weakly bound piles of rubble, held together by their own minute gravitational attraction.

大多数的小行星都是由碎石组成,而这些碎石靠着自身之间微弱的万有引力结合在一起.

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