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- NP-hard难题 NP-- hard problem
- 难题 difficult problem
- NP-hard NP-hard
- 大难题 hang-up
- NP-hard问题 NP-hard problem
- 脑筋急转弯一个考验智力的问题或难题 A mentally challenging problem or puzzle.
- 城市委员会遇到各种难题 The city council is beset by problems.
- Hard E综合征 Hard E syndrome
- np边界 np boundary
- hard money (美国) 现金
- hard money (硬币) 硬通货
- 我刚才灵机一动，突然想出了一个解决这一难题的新办法！ I've just had a brainwave; I know a new approach to the difficult problem!
- NP难 NP hard
- hard mouth (禽类) 硬嘴
- 他提出了一个难题。 He put forward a baffling question.
- NP-难 NP-hard
- hard wax(嫁接用) 硬蜡
- 2-NP 2-nitrophenol
- 老师给学生出了一道难题。 The teacher set his pupils a difficult problem.
- hard bread (救生艇用) 压缩饼干
