singleadj.单一的；单个的；特指某人或某物；单身的；单人的；单程的n.单程票；单曲；单人房间；单身者；<美>一元纸币；(网球)单打比赛；(板球)一分打；(棒球)一垒打v.挑选(一个)single engine单机牵引

1. The detection and location method of single-phase grounding fault based on fault indicator technology was introduced.
   重点介绍了基于故障指示器技术的单相接地故障的检测和定位方法。