Objective To explore the influence of topical biomechanical environment in the fracture point after which was fixed with auto control micro motion locking nail (AMLN) on the fracture healing mode.

目的探讨自控微动带锁髓内钉（AMLN）固定后骨折局部生物力学环境对骨折愈合的影响及机制。

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The simulated extraction of weak frequency variation signal is carried out with the expressed Resonant frequency locking property when system transits from chaotic to great periodic motion.

利用系统从混沌状态到大周期转变时所表现出的共振锁频性质，进行了微弱频率变化信号的仿真提取。

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The design of locking device is one of the difficult points in the whole design of mechanism with alternating motion.

锁闭装置的设计是整个往复运动机构设计的一个难点。

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She left the car in one fluid motion, not even pausing to push the locking button on her security key, and entered the school and walked urgently down the hall, past the display of photographs of "Astronaut Moms and Dads" grinning in their orange pressure suits as they held up models of the space shuttle.

NPR: In 'Challenger Park,' Mom Is an Astronaut