problem reduction meaning in English

问题归约

In chapter 4 , production system is introduced at first . then some high - level task planning method such as state space , plan space , problem reduction , hierarchical planning and the integration of these planning method are introduced , some knowledge representation methods are introduced also , and some planning method are used to solve particular task planning problem of acr prototype system
第四章讨论了诸如状态空间法、计划空间法、问题归约以及分层递阶规划等各种高层任务规划方法以及这些规划方法的综合集成，并使用这些方法解决了acr原型系统的某些典型高层任务规划问题。