simplexin单纯杆菌素simpleadj.简单的；朴素的；单纯的；笨的simple filtration单纯滤过simple difference简单差simple LL grammar简单LL文法simple extraction[医] 单纯摘出术(内障)simple depression单纯性抑郁症simple fertilizer单纯肥料simple clustering简单聚类simplex signaling单工信令Simple resolution单一解析simple polyhedron简单多面体