negative AGC反向自动增益控制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 signal temperature负信号温度negative fixation disparity分散差异, 负注视差异negative value accumulation负价值积累negative hyper-resolution否定超导出Negative staining technique负染色技术negative pressure conveying负压输送negative-going sync pulse负向同步脉冲negatively charged particle阴电性微粒negative-sequence voltage负序电压negative friction row piles负摩擦排桩