题目 题目的英文 英语翻译 exercise problems; rubric; subject; theme; title; topicsubject 拓展翻译 题目的thematic题目定义problem definition题目关键字keyword in title题目描述problem description题目数据problem data题目外关键字keyword out of title题目文件problem file题目文件夹problem folder题目选择title option算题computational problem算题时间operating time随机问题stochastic problem缩写标题abbreviated header索引记录标题index record header讨论一个问题approach a subject特定命题particular proposition特异命题singular proposition提出问题introduce a question提出问题的通知notice of question提问课题主词profile subject