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- A point mutation in the napA gene may cause the negative characteristic of nitrate reduction in Mediaevalis and Microus strains. A 122-bp frameshift deletion in the araC gene may lead to the arabinose negative phenotype of Microus strains. 所有脱氮阴性菌株的napA基因发生了突变 ,所有甘油利用阴性菌株的 glpD基因发生了突变 ,所有阿拉伯糖利用阴性菌株的araC基因发生了突变。
- non negative semidefinite matrix 非负半正定阵
- non Negative Matrix Factorization(NMF) 非负矩阵因子
- For example the current astrological signs each have positive and negative characteristics. 例如，当前星象的每一个标志均拥有正面和负面特徵。
- There are plenty of adult Borzoi who have already proven themselves NOT to have negative characteristics. 有非常多的成年猎狼可以证实自己没有消极的性格。
- negative characteristic distortion 负特性失真
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- Sympathy is the feeling characteristic of mankind. 同情心是人类特有的感情。
- The answer to my request was in the negative. 对我的请求的答复是否定的。
- Making negative characteristics sound more positive 使消极特征听起来更积极些
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- He spoke with characteristic enthusiasm. 他以特有的热情说话。
- Her predominant characteristic is honesty. 她最为突出的特点是诚实。
- His answer to my request was a negative. 我的请求遭到了他的拒绝。
- Characteristic of or befitting a warrior. 勇敢的，好战的具有战士、勇士特征的或适宜于勇士的
- The tests for hepatitis were negative. 肝炎检查结果是阴性。
- Their criticism was not negative. 他们的批评并不是负面的。
- Do a blow-up of this corner of the negative. (对某事的)详尽的报道。
