这是一个条形码识别系统，用vc编写的不错，大家可以-This is a bar code identification system used to prepare the vc Yes, we can s

通过编程，实现在有限域上的加减乘除运算，以GF（2^8）为例，最终得出结果。-Through programming, implemented on a finite field arithmetic operations in GF (2 ^ 8), for example, the final outcome.