当前实用性较强的射线追踪方法，包括波前法，最短路径法，走时插值法，程函方程有限差分法等。
More practical ray tracing methods currently include the wavefront method, the shortest path method, the travel time epenthesis method, the eikonal equation finite difference method, etc.
着重讨论了包括有限差分法、有限元法和边界元法等在内的数值方法。
The emphasis is placed upon the numerical methods, including finite difference method, finite element method, boundary element method and so on.
主要内容包括：抗滑桩内力计算方法研究（如有限差分法、双参数法、改进的悬臂桩法、有限元法）；
Analysis methods for internal force of retaining piles are also discussed, such as finite difference method, biparameter method, modified cantilever-pile method, and finite element method, etc.
应用推荐