Inverson of circle: Into a circle, if the circle pass through inversion center o, it becomes a straight line.

圆的反演：反演成一圆。但当圆通过反演中心时变成一直线。

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So a split-type shear box is adopted to conduct the in-situ shear test in order to make the stress on the shear plane uniform and ensure the shear stress to running through the center o.

我们改进后采用分体式剪切盒进行原位土体试验，使剪切面上的应力分布均匀，保证剪力通过剪切缝中心，同时在试验过程中法向及剪向加载时试体稳定性得到了很好的改善。

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We're getting the first glimpses of today Google's Google I/O developer conference and already some exciting news is leaking from within the walls of the conference center.

我们只是对今天Google的谷奥开发者大会惊鸿一瞥，已经有一些激动人心的消息从会议中心透露出来。

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But the Irish were rewarded for a spell of late dominance as center O'Driscoll went over the try line underneath the posts and Ronan O'Gara equalized with the conversion in the last action of the match.

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In basketball, Los Angeles Lakers center Shaquille O'Neal is tops with a score of 49.4, based on points, assists, steals and blocked shots.

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The match threatened to boil over when Lions center Brian O'Driscoll scuffled with Juan Smit, then the Lions took a 10-0 lead after only seven minutes when full-back Rob Kearney forced his way past Habana from Jones' superb offload following a blindside scrum move.

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