Experts said the difficulty of sending the probe into orbit was equal to hitting a small ball from Paris and landing it in a hole in Tokyo.

专家表示，将探测器送入轨道的难度堪比于从巴黎击出一个小球，然后让它落在东京的一个洞里。

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Detector installed in the crane boom end, at the top of the metal ball as a detecting probe, can detect electric field around the wire.

检测器安装在起重机臂端，其上端的金属球作为检测探头，可以检测电线周围的电场。

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To get rid of the sharp Angle and the grinding tracks on the probe, the tip will be polished by roll-typed grinding wheels to become sharp, round, flat or ball pointed.

要把针头的利角及磨纹磨走，我们会利用滚筒型的砂轮把针头磨成尖、圆、平或子弹形形状。

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Personally I think that the bouncing ball approach should be the standard way to land a small unmanned probe on Mars.

BBC: Mars 2 - Earth 0

The referee decided the advantage was over but Munster continued to probe and when man of the match Rua Tipoki flung the ball wide, Lesley Vainikolo could not pick off the interception and Howlett put Dowling over in the corner for a superb score.

BBC: Gloucester 3-16 Munster