There are two approaches to searching for a plan, one is （） search, and the othe

There are two appopenKe.Cn 公开课学习论坛roaches to searching for a plan, one is （）　search, and the other is backward relevant-states search.有两种搜索计划的方式，一个是（）搜索，而另一个是后向状态空间搜索。
正确答案：forward state-space前向状态空间