negative variation信息详情
负变差
variation───n.变化，变更，变动；[生物]变异，变种；变奏曲
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
seasonal variation───n.季节性变动，季节性波动；季节性波动，季节性变动
variation margin───价格变动保证金[押金]；价格变动押金；盈亏保证金
negative effect───n.负面影响; 负效应；负面影响；负效应；负磁力效应
film negative───胶片；软片
appraiser variation───评价人变差
variation ratio───异众比率；变异比率；变速比，变速范围
negative attitude───[医]消极态度
OBJECTIVE: Contingent negative variation (CNV) is an important cerebral evoked potential.───目的：关联性负变是一种重要的脑诱发电位。
Objective The contingent negative variation (CNV) elicited by different stimulus paradigms consisted of tones and face photos of familiar persons and strangers were studied.───目的研究熟悉和陌生人面照片与短声组成不同的刺激序列诱发伴随负变化(CNV)。
BACKGROUND: Contingent negative variation (CNV) is a kind of cerebral evoked potential, which is closely related with mental medicine and psychology.───背景：关联性负变是与精神医学和心理学关系最为密切的一种脑诱发电位。
Objective To assess the clinical value of contingent negative variation(CNV) simplified analytic method in anxiety disorder.───目的采用关联性负变（CNV）简化分析法验证CNV在焦虑症中的临床价值。
A follow up study of contingent negative variation and psychiatric symptoms in patients with post-traumatic stress disorder───军人创伤后应激障碍患者的关联性负变异常变化及临床随访
A Clinical Study of Contingent Negative Variation in Patients with Vascular Dementia───脑血管性痴呆关联性负变的研究
Study of contingent negative variation in patients with aged depression───老年性抑郁症患者的伴随负电位变异研究
The tennis athlete athletics ability participation only has division variation and negative variation, not zero variation in the true sense;───网球运动员竞技能力参赛只存在正变异和负变异之分，并没有真正意义上的零变异；