simple hit单击simpleadj.简单的；朴素的；单纯的；笨的simple - supported box girder简支箱梁simple and practicable solution简易方法simple sampling inspection plan简单抽样检查方法simple aggregative index number简单综合指数simple harmonic periodic change简谐周期变化simple arithmetic average price简单算术平均价格simple recurrent neural network简单递归神经网络simple designational expression简单命名表达式simple supported railway bridge简支梁桥simple astigmatic anisometropia单纯散光性屈光参差