摘要：Most insects and hummingbirds can generate lift during both upstroke and downstroke with a nearly horizontal flapping stroke plane,and perform precise hovering ***,most birds can utilize tails and muscles in wings to actively control the flight performance,while insects control their flight with muscles based on wing root along with wing’s passive *** on the above flight principles of birds and insects,Flapping Wing Micro Air Vehicles(FWMAVs)are classified as either bird-inspired or insect-inspired *** this review,the research achievements on mechanisms of insect-inspired,hoverable FWMAVs over the last ten years(2011-2020)are *** also provide the definition,function,research status and development prospect of hoverable *** discuss it from three aspects:bio-inspiration,motor-driving mechanisms and intelligent actuator-driving *** this,research groups involved in insect-inspired,hoverable FWMAV research and their major achievements are summarized and classified in ***,trends and challenges about the mechanism are compiled and ***,this paper presents conclusions about research on mechanical structure,and the future is discussed to enable further research interests.

摘要：计算机联锁教学系统是完成车站联锁任务的计算机仿真系统。它不仅可以实现计算机联锁功能,还可以通过通信模块使师生在线交流,解决普通教学中难以解决的问题。采用VC++6.0开发工具和目前流行的C/S(客户机/服务器)网络通信模式,实现了服务器和客户机两大模块之间的局域网通信功能和道岔转换、进路锁闭、进路解锁等计算机联锁功能,提高了计算机联锁教学质量。