It is a critical task need to be solved urgently that the skip loading system for vertical shaft without measuring pocket should be equipped with quantitative loading unit.

无定量斗立井箕斗式装载系统加装定重装载装置是煤矿亟待解决的重要课题。

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we asked. 'Measuring the relative speed and angles of the balls, the distances to the pocket and final placement of the white ball?'

我们问，“测算球的相对速度和角度，判断白球到球袋的距离以及最后的位置呢？

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Taking SP24 pocket GPS as an example, area measurement and precision appraising for GPS without function of measuring area.

以SP24型手持GPS为例，探讨无测积功能GPS测定面积的方法并进行精度评价。

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