simplexin单纯杆菌素simpleadj.简单的；朴素的；单纯的；笨的simple piston rod单面活塞杆simple retrovirus简单反转录病毒simplexed circuit[电] 单工化电路simple evaluation简易估算simple tally mark简单记数记号simple and direct简易直接simplex air gauge单针气压表simplex iteration单纯形迭代simple urethritis[医] 单纯性尿道炎simple eigenvalue简单本征值,简单特征值,简单特盏