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...
现今，医生们担心会爆发世界性的流行病。Today, doctors are fearing a worldwide epidemic.对流行病的控制the containment of the epidemic卫生局试图消灭这种流行病.The Sanitary Board tries to stamp out the epidemic....
He then changed into overalls and spent the next eight hours as a dustman.然后他换上工装裤,作为清洁工人度过接下去的八小时.You shouldn't look down upon him just because he is a dustman.你不应该因为他是个清洁工就轻视他.Mr Brown is a dustman while his wife ...