multiplets多重线multipleadj.多种多样的；许多的n.倍数；并联multiple action多重酌,多重作用,重合动作multiple biases多重偏置multiple factor多因子,多基因multiple hazard多种危险multiple-tubeadj.多管multiple hearth多炉膛multiple sowing复种multiple choice多项选择multiple firing成组点火multiple plough复式犁