Motion capture technique, which can record the details of human joint motions, is a promising computer animation technique.

运动捕获技术可以记录人体关节运动的细节，是当前最有前景的计算机动画技术。

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So scientists have performed experiments to imitate what happens in a human joint when you crack your knuckles.

科学家们进行模拟实验，查看人类掰响指关节会发生什么事。

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An 3d human body model and analysing of its reach-space are important to ergonomic design, motion control of human joint and collision detection of human model in virtual environment.

建立三维人体模型以及分析人体肢体可及空间，对于人机工程设计、人体关节运动控制和人体模型的碰撞检测研究都具有重要的意义。

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The issue was referred to the Committee on Standards and Privileges on 23 February 2010 after the Joint Committee on Human Rights complained that Mr Phillips had spoken to at least three of its members ahead of the publication of a report.

BBC: Privilege debate

In 2009, the RIKEN-TRI Collaboration Center for Human-Interactive Robot Research (RTC), a joint project established in 2007 and located at the Nagoya Science Park in central Japan, unveiled a robot called RIBA (Robot for Interactive Body Assistance) designed to assist in this task.

ENGADGET: RIBA-II healthcare robot now stronger, smarter -- still a bear

Other measures that could be ditched include arrangements to speed up sharing suspects' DNA profiles and fingerprints and joint working in specific areas such as terrorism, human trafficking or football hooliganism.

BBC: EU crime optouts 'could damage UK crime fighting'