质量差: of poor quality; of low qual ...的: 4次方是 The fourth power of 2 i ...变质的;腐烂的;质量差的: dazed质量差的, 贫乏的, 不毛的, 瘦的: meager质量差: mass difference; poor quality轻易完成但肤浅或质量差的: easily produced but superficial or of poor quality生产质量差: poor quality in production相对质量差: relative mass difference信号质量差: poor signal质量差幅: quality read; quality spread质量差价: price difference based on quality; quality price difference; quality price differentials质量差异: mass discrepancy差的质量: dubious quality逐批质量差异: batch-to-batch variations逐日质量差异: day to day vaiation中子质子质量差: neutron-proton mass difference量差: quantity difference; variance in quantity差的: poor当量差: equivalent difference能量差: energy difference矢量差: phasor difference; vector difference水量差: water deficit向量差: vector difference; vectorial difference用量差: usage variance雨量差: hyetal interval