您要查找的是不是：
- 那位老人听力差。The old man's hearing is poor.
- 听力hearing (acuity)
- 他发觉听力差些。He has noticed some loss of hearing.
- 带上能够扩大声音以弥补听力差的缺陷amplifies sound and is worn to compensate for poor hearing
- (=weight bearing) 承重，支重wt. b.
- 方差variance
- 带上能够扩大声音以弥补听力差的缺陷。amplifies sound and is worn to compensate for poor hearing.
- 差分difference
- NP-hardNP-hard
- 标准差root-mean-square error (RMS error)
- 英语听力English Listening Comprehension
- NP-hard问题NP-hard problem
- 差一点by a finger's breadth
- NP-hard难题NP-- hard problem
- 差的inferiors
- Hard E综合征Hard E syndrome
- hard money (美国)现金
- 听力练习aural learning
- 很差no chop
- hard money (硬币)硬通货
