Objective To explore the influence of topical biomechanical environment in the fracture point after which was fixed with auto control micro motionlocking 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。
2
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。
3
The design of locking device is one of the difficult points in the whole design of mechanism with alternating motion.