采用简单的线性内插方式，实现在有序数列中查找对应点，常用于外部AD采集获得的数据列表查询，提高精度，本程序提供良好的函数接口和一些基本函数供用户使用。-Using simple linear interpolation, and find the corresponding points in the sequential number column, to obtain a list of data on external AD acquisition commonly used query, to improve the accuracy, this procedure provides a good function of the interface and some of the basic functions for users.