problem log问题日志problemn.问题；难题；习题adj.成问题的；难对付的Problem about Youthhood for Parents谈青春期代沟问题problem-oriented instruction sets面向问题指令组problem of environmental protection关于环保问题problem-causing goal relationship问题-引生目标关系Problem Equipment Indicator Reports故障装备显示报告problem of environmental management环境管理problem of geometrical construction几何准问题Problem with answering the question答题关Problem Oriented System of Charting问题排列图表系统, 面向问题的海图系统Problem solving concepts and skills解决问题的基本观念与技巧