In this paper, a simple and rapid technique for gravity base-point net adjustment was presented.

本文提出了一种简易快速的重力基点网平差方法。

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Upstanding toothbrush makes use of a weight at the end of its rounded handle to create a centre of gravity at the handle base.

可站立式牙刷利用自身圆胖的手柄底端的重量来让重心点落在手柄底部。

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For the development of the first off-world industrial base, a location that provides gravity is preferred to a location in free space.

对于第一个外空间工业基地的开发而言，失重的太空环境是不得不考虑的一个因素。

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Created by long-time base jumper and skydiver, Ossie Khan, and shot over a two-year period, Experience Zero Gravity reveals some of the most stunning base jumping locations in Europe.

BBC: Base jumping: The serene side we��ve never seen

But the Liberals' industrial base has contracted and Canada's centre of economic gravity has shifted, westward and towards natural resources.

ECONOMIST: Canada's general election