GRAIL is closely based on a similar Earth-gravity mapping mission called Grace, which also made use of a Lagrange Point.

GRAIL号是根据类似的名叫Grace号的地球重力绘制任务而制造的，Grace号也是利用了拉格郎日点。

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Formation control is one of the important research fields in formation flying around Lagrange point.

拉格朗日点附近编队研究中很重要的一个领域为编队控制。

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To do all that, however, LISA first has to get to a "Lagrange point", a place where spacecraft can float stably while getting no farther from the earth.

然而，要想完成所有的任务，丽萨首先就必须到达达“拉格朗日点”，只有到达了拉格朗日点，宇宙飞船才可以在不远离地球的情况下平稳漂浮。

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To do all that, however, LISA first has to get to a "Lagrange point", a place where spacecraft can float stably while getting no farther from the earth.

然而，要想完成所有的任务，丽萨首先就必须到达达“拉格朗日点”，只有到达了拉格朗日点，宇宙飞船才可以在不远离地球的情况下平稳漂浮。

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