negative sol阴电(荷)溶胶,负电(性)溶胶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 differential mobility负微分迁移率negative- sequence impedance负序阻抗negative-grid characteristic负栅极特性negative amplitude attenuation负值衰减系数Negative refraction phenomenon负折射现象negative-air-pressure room负气压房间negative-impedance amplifier负阻抗放大器negative nonlinear correlation负非线性相关negative-supporting-thread负承载角螺纹negative electrode zinc alloys负极用锌合金