negative lap同重叠negativeadj.否定的；消极的；负面的；负的n.否定；反面意见；底片；[数]负数vt.否定negative automatic thoughts负性自动思维negative gamma distribution负伽玛分布negative stimulation effect负激励效应negative-ion densitometer负离子浓度测定器negative sequence component负序分量negative selectionalgorithm否定选择算法negative internal clearance负游隙negative linear correlation负线性相关negative absorbing material负吸收材料negative pressure lechnique负压技术