解决实际问题  solving practical problems

不切实际的问题  lunar politics

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

不真实问题  invalidity problem

回避问题实质  beg the question

实际实物生产率  marginal physical productivity

事实问题  matter of fact; factual issue

问题实质  nature of the problem

现实问题  actual problems

国际问题研究  international studies

人际问题  Interpersonal problems

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

FDI实际利用量  actual use of FDI

PC机内存实际物理地址  PC memory real physical address

按实际可达到的尽可能低  as low as reasonably achievable; ALARA