求翻译：研究中，为降低远场分析计算量，利用帐篷定律和费马原理将旋进光线分别限制在水平和垂直拉直面，建立巷道空间场强分布预测模型；是什么意思？

Study, the far-field analysis to reduce the amount of computation, the use of tents to the law and Fermat's principle were restrictions precession light pull in the horizontal and vertical face, the establishment of roadway space field distribution prediction model;

Far-field studies, in order to reduce the amount of computation and analysis using tents and Fermat principle federations will precession Light respectively limited in the level and has been, and establish a vertically gallery space at forecast strong distribution model;

In the research, for reduces the distant field analysis computation load, limits separately using the tent law and the Fermat's principle the precession light in the level and vertical pulls faces directly, establishes the tunnel space field intensity distribution forecast model;

Study, far-field analysis to reduce the calculation amount, precession with tent law and principle light respectively the horizontal and vertical face, build roadway space prediction of field strength distribution models;

Study, far-field analysis to reduce the calculation amount, precession with tent law and principle light respectively the horizontal and vertical face, build roadway space prediction of field strength distribution models;