The practice demonstrates that the prediction to adverse geologic condition in front of the heading face by boring radar and BEAMelectric method, especially to water-holding condition, is satisfied.
Intermediate driving way is put forward for the first time and can solve influence of deflection and edge effect come from rail beam on mechanical and electric performance.
首次提出中间驱动方式，能较好地解决轨道梁产生的挠度、边缘效应等对机械和电气性能的影响。
3
The stability of intense electron beam via the periodic static electric and magnetic fields is discussed.