trouble recorder的意思|示意

This paper describes . and compares three popularly used trouble locating methods of power lines, i. e. , protection action analysis, fault recorder analysis and lightning location system.

介绍了电力系统线路故障点判断常用的保护动作分析、故障录波器分析和雷电定位系统三种方法。

If you find that are having trouble both listening and taking good notes then you might consider bringing in a tape recorder and record the lecture.

如果你发现同时听讲和做笔记很难，那么你可以考虑带一个录音设备来记录课程讲解。

I have trouble understanding the professors' lectures, so I take a tape recorder to class.

我对教授授课内容的了解仍有问题，所以我都带录音机去上课。