基于VB开发的土壤指标测量的数据库查询代码，用于环境工程专业等，可以进行土壤的指数评价、土壤模糊评价等功能-VB-based development indicators measuring the soil database query code for the environmental engineering profession, Soil can index, soil fuzzy evaluation, and other functions

基于粒子群优化算法的投影寻踪技术程序，解决非线性指标评价问题。-The program is pp base on pso, in order to Solve the problem of nonlinear index uation.