simplexin单纯杆菌素simpleadj.简单的；朴素的；单纯的；笨的simple shear test单剪试验simple sentiments淳朴的感情simple hydrograph简单过程线simple accounting单式会计simple substation简易变电站simple production简单生产simple box girder简支箱梁simple transposon单纯转座子simple substitute简单置换simple subroutine简单子程序