例句與造句

1. 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
   第四章討論了諸如狀態空間法、計劃空間法、問題歸約以及分層遞階規劃等各種高層任務規劃方法以及這些規劃方法的綜合集成，并使用這些方法解決了acr原型系統的某些典型高層任務規劃問題。
2. It's difficult to find problem reduction in a sentence. 用problem reduction造句挺難的