The articulation of the radius and ulna in the arm is a pivot joint.

手臂桡骨和尺骨的连接关节是一个枢轴关节。

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Large pivot joint metal blackboards double as partitioning doors to include or exclude the corridor Spaces as desired.

金属制黑板和分割门围绕着一个巨大的轴旋转，可以根据使用者的需求来扩大或者分隔走廊空间。

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Three individually flexing shaving heads are connected by a ball joint system making them swivel, rotate, and pivot with a full range of motion.

三是个别伸缩刀头合作nnected由一个球联合使其旋转，旋转系统，枢纽与全运动范围。

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However, as Sprint embraces retail consumer electronics, it will see that -- on some level -- the enemy is itself, a familiar position for a company that has juggled hosting the wireless networks of Helio, Disney Mobile, its cable joint venture Pivot and its own Boost.

ENGADGET: Switched On: The WiMAX Window (Part 2)

That joint venture, called Pivot, dissolved last year when the companies couldn't agree on pricing and marketing strategy, according to people familiar with the matter.

WSJ: Cox Plans to Launch a Cellular Network

The same companies created a separate joint venture with Sprint in 2005, dubbed Pivot, that offered cellphone service in about 30 markets by the time it stopped marketing late last year amid low demand.

WSJ: Comcast, Time Warner Cable in Wireless Talks