low EMI低电磁干扰lowadj.低的；少的；低落的；低声的；卑劣的；低等的adv.低地；低声地；低下地；廉价地n.低水平；低价；低谷v.哞哞叫low-concentration oxidant method低浓度氧化剂法low-strength domestic wastewater低浓度生活污水Low Pressure Steam Heating Systemslow contrast long-scale contrast低对比度low-pressure jet aeration system低压射流曝气Low voltage rating power device.低电压启动。Low Frequency-Very Low Frequency低频-甚低频low-density parity-check codes低密度奇偶校验码lowest purchase price of foodstuff粮食最低收购价格low- pressure ion chromatography低压离子色谱