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负性基
1、film negative───胶片；软片
2、negative statement───否定陈述；否定述辞；否定声明
3、negative film───负片，底片；负片；[摄]底片
4、negative───adj.[数]负的；消极的；否定的；阴性的；vt.否定；拒绝；n.否定；负数；[摄]底片
5、negative effect───n.负面影响; 负效应；负面影响；负效应；负磁力效应
6、negative pole───（磁铁的）负极；n.[电子]阴极，[物]负极
7、negative emotions───消极情感（negativeemotion的复数）
8、negative income───负所得
9、negative attitude───[医]消极态度
1、HOMA-IS and HOMA-IR were successively reduced in antibody negative group, single positive group and double positive group(P───IS指数及HOMA-IR指数在抗体阴性组、抗体单阳性组及双阳性组依次降低，差异有显著性（P
2、Thus the negative group velocity is simply an apparent velocity as we shall show from the study of energy flow.───因此，负群速度只是表观速度，能流的研究结果也证明了这一点。
3、Each team member then gets three votes each for the positive group and the negative group.───然后针对正面组和负面组，每个团队成员都会各得到三张选票。
4、Negative Group Velocity in the Band Gap Range───禁带区域内负的群速度
5、Results The ultrastructure in the brain of mice in transgenic group had pathological changes compared with negative group.───结果与对照组比较，模型组小鼠海马神经细胞出现线粒体和突触损伤，血脑屏障结构异常。