Negative PS阴图PS版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 standard否定标准negative eugenies消极优生学negative risk sum负风险和Negative influnee负面影响negative infinity负无穷大,负无限大negative approach反证法negative relation否定性联系Negative mammitis隐性乳房炎negative sentence否定句negative backwash负向反拨效应