轨道回归问题  orbit revisit problem

奇异线性二次指标最优控制问题LQ问题  singular linear quadratic LQ problem

递归回归方法  recursive regression method

定义类问题回答  Definition question answering; definitional question answering

问题回答  question answering

问题回答系统  Question answering system; question-answering system

问题回到原态  back to square one

迂回问题  detour problem

自动问题回答  question answering

递归问题  problem of recursion

问题归约  problem-reduction; problem reduction

问题归约法  problem reduction approach

常问问题  frequently asked question; Frequently asked questions; FAQ

常问问题库  FAQ

常问问题列表  FAQ list

大地主题问题  geodetic problem

态度问题问卷  attitude problem questionnarie

《香港回归条例》  Hong Kong Reunification Ordinance [110 of 1997

《香港回归条例》〔  hong kong reunification ordinance