这是一个数学引擎的源码.包含了2D 3D各种运算的支持.定义了各种数据结构.编译后生成链接库.-This is a mathematical engine source. Contains 2 D 3 D various operations support. Defines all kinds of data structure. Compiler to create link libraries

一个全自动的3D有限元网格生成器，有内置的CAD引擎和后处理器-An automatic 3D finite element grid generator with a built-in CAD engine and post-processor