zemax源码： This DLL models a standard ZEMAX surface type, either plane, sphere, or conic The surface also demonstrates a user-defined apodization filter The filter is defined as part of the real ray trace, case 5 The filter can be used at th

C语言，小学生算术测试，1到100随机数，随机加减乘除，可验证ID号是否合理，给出正确和错误的题数，记录时间-test system for Pupil

根据半径计算圆的周长和面积，输入半径的数值就能运行程序计算出圆的周长和面积-Calculate according to the radius of round pupil