大型電子製造業后台數據庫的詳細設計!絕對好東西!(部分刪減)-large electronic manufacturing background to the detailed design of the database! Definitely a good thing! (Partial deletion)

这是个Tiny Object/Relational Mapping System，使用的数据库是MySQL,只实现了部分功能，包括添加，删除，更新等，另外还带有测试用例（也可以自己写，仅供参考），希望可以给大家一点帮助，也希望各位高手指教-This is a Tiny Object / Relational Mapping Syste m, the use of the MySQL database is only a partial functions, including add, dele

偏最小二乘法，能很好建立物质浓度和与相应的光谱矩阵的回归方程，且能对光谱阵降维和消除噪声影响。-Partial least squares, to establish material concentration and good with the regression equation of the corresponding spectral matrix array dimensionality of the spectrum and can eliminate noise effects