ups旁路

to bypass───绕过

bus pass───公车票

bypass───n.旁路，支路；旁通管，分流术；v.绕过，避开；忽视，不顾（规章制度）；设旁路，迂回

heart bypass───心脏搭桥

gastric bypass───胃绕道手术；胃旁路术

bypast───adj.过去的

day pass───日票

characters and reality of double parallel system UPS, external bypass design and operation, and the Suggestions about the ordinary maintenance are introduced also.───介绍了并联系统ups的特性及其实现，现场外接旁路的设计与具体操作，以及日常维护中的问题。

This paper focuses on the parallel system of High-frequency UPS, including analyzing of the circulating current characteristics, parallel control, bypass switching strategy, protection and monitor.───本文以高频ups的并联系统为研究对象，研究分析了高频ups并联系统中的环流特性、并联控制、切换保护和系统监控等内容。