覆盖: cover; overlap问题: question; problem顶点覆盖问题: vertex cover problem集合覆盖问题: set covering problem确切覆盖问题: exact cover problem膝盖问题: knee problems有膝盖问题: knee problems组合复盖问题: combinatorial covering problem覆盖: 1.(遮盖) cover; overlap 青松覆盖的山峦 hills covered with pinetrees; 地上覆盖着厚厚的积雪。 the ground was covered over with thick snow. 秧苗上面覆盖着塑料薄膜。 the rice seedlings were covered with plastic sheeting.2.(植被) plant cover; vegetation3.(保护层, 覆盖物) cover; covering; overjet; blanket; mulch; coverage 双叶覆盖 two-sheeted covering; 树木覆盖率 tree coverage问题: 1.(需回答的题目) question; problem 解答问题 solve a problem; 提问题 ask a question2.(需研究解决的矛盾等) problem; matter 问题的关键 the heart of the matter; key to the question; key to the solution of a question; 问题的实质 essence of the problem [question]; 问题成堆 a satchel [a batch] of questions; 难问题 a troublesome problem; 共同关心的问题 questions of common interest; 关键问题 a key problem; 思想问题 an ideological problem; 悬而未决的问题 an outstanding issue; 原则问题 a question of principle; a matter of principle; 枝节问题 minor issue3.(事故或意外) trouble; mishap; sth. wrong 解决麻烦问题的能手 trouble shooter; 没出什么问题 without any mishap; 那机器有点问题。 something is wrong with the machine.4.(重要之点) the point; the thing 问题不在这里。 that is not the point 覆盖料,护根;覆盖: mulch闭覆盖: closed cover草覆盖: gra covering; grass covering超载;覆盖: overburden次覆盖: n-fold coverage点覆盖: point covering; vertex cover段覆盖: segment overlay反覆盖: reverse overjer腐覆盖: floating overlay覆盖、涵盖: common object request broker architecture; cover覆盖,掩蔽: shroud v. cover and hide覆盖;遮掩: cover覆盖板: wrapper plate覆盖表: covering table; overlay table覆盖布: drape