此源码是针对配套的光学标记阅读机使用，可提供给学生学习用，主要包含exceld导入access数据库方法，ado的使用-this source is against supporting the optical mark reader machines, which are available for students to study, exceld included into the main database access methods, the use ado, etc.

近红外光谱标准正态变量变换处理方法，主要是消除固体颗粒大小，表面散射以及光程变化对漫反射光谱的影响。-Near infrared spectrum standard normal variable transform processing method, mainly eliminate the solid particle size, surface scattering and the change of optical path of diffuse reflection spectra.