重点研究三维地形可视化、交互式生成过程中，对地形编辑点的拾取问题。

This article put study emphases on picking up technique during the process of 3D-terrain (visualization) and interaction creation.

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它比山达基教漂亮的小型电子测量仪强那么一点也是一个用来拾取四周环境中的噪声信号然后让指针跟着摆动的小玩意。

It's little more than a fancy small-scale version of a Scientology e-meter, a gadget that picks up on noise in the environment and makes a needle on a dial wiggle.

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最后，设计出基于特征点拾取的空间参数测量方法，实现剖切后发动机结构空间距离、角度和体积的精确测量。

Finally, space parameter measurement method based on feature point selection was designed to accurately measure the distance, Angle and volume of cutting motor structure.

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