中文说明：
栅格法一般作为路径规划的环境建模技术来用，作为路径规划的方法它很难解决复杂环境信息的问题，一般需要与其他智能算法相结合。
English Description：
Grid method is generally used as the environment modeling technology of path planning. As the method of path planning, it is difficult to solve the problem of complex environment information, and generally needs to be combined with other intelligent algorithms.