opening point meaning in Chinese

张伞点

Effect of opening point method of ziwu liuzhu on myocardial ischemia in the patient of stroke
子午流注开穴对中风病人心肌缺血影响的研究
Forward - backward method is usually used in radial distribution networks . in weakly meshed distribution networks compensation current method is used . it open the loops on some nodes , on the open points compensation currents are used to simulate the power flow before opening
其中之一是采用配网潮流计算中常用的前推回推法计算辐射状网络潮流，对于弱环网的处理时采用补偿电流法，其思想是将环打开，在开环处以一电流源模拟开环前的状态。