The paper is to prove the refraction on two kinds of medium interfaces of electric displacementline using the boundary condition of the electric field and Fermat Principle.
利用电场边界条件和费马原理证明电位移线在两种介质界面上的折射。
2
And in London they deployed sensors to monitor displacement, temperature and humidity in a tunnel on the Jubilee Line of the Underground rail system.
在伦敦，他们在地下铁路系统的朱比里线中的一条隧道布置了传感器，用以监测隧道内的排水量，温度和湿度。
3
Electrical power pulse signal will be entered into angular displacement or displacement of the Central Line control components.