The health data of children which included 29 criteria for five aspects was analysed comprehensively, The training iteration method was modified from two categories into three.
There are threecategoriesof geochemical exploration method deriving the deep mineral characteristics from the data, including: the normal (geochemical rock survey, geochemical soil survey);
可用于提取深部矿化信息的地球化化学 方法，有三类：常规地球化学方法：岩石测量、土壤测量；
3
At present, the three-dimensional reconstruction methodof medical image, there are two main categories: indirect rendering method and direct rendering method.