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
问题回答系统
Question answering system
question-answering system
问题归约法
problem reduction approach
常问问题
frequently asked question
Frequently asked questions
FAQ
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