These conclusions would be the effective supplement to current surveying criterion, and helpful for building ballastless track.
以上结论是对现行测量规范的有效补充,对我国无砟轨道建设具有参考价值。
So Current measurement is the basic of Electromagnetic surveying.
所以电流的测量是电磁测量的基础。
Surveying the internal resistance of a sensitive electric current meter is a rather difficult and complicated electromagnetic experiment which is hard to get a high precision.
灵敏检流计内阻测量实验是电磁学实验中一个比较复杂有相当难度的实验,难就难在如何提高测量精度。
应用推荐