This paper introduces an auto - alarming electronic cipher lock system designed with the AT 89 C 2051 monolithic integrated circuit.介绍了一种应用AT89C2051单片机设计的防盗自动报警电子密码锁系统....the alarming increase in crime.令人忧虑的犯罪攀升现象There w...
太多的学校在争夺太少的生源。There are too many schools chasing too few pupils.太多的冷水和太少的肥皂了, 这么多年.Too much cold water, too little soap, too many years.太少的钱抵达指定的目标或有助于持久的发展.Too little has reached the intended target or contributed to la...
为克服间接反映发电机功角的传统失步保护所存在的问题,介绍了一种利用发电机调速系统来直接测量发电机功角的方法.In order to avoid the problems by traditional out of step protections based on measurement - angle.最后,根据失步中心的分布情况, 利用图论的思想实现了文中的动态解列方案.After the identification of osc...