JPEG图像解码并转换成BMP图像：大概包括IDCT、反量化、反编码等过程，程序可以正确编译！-JPEG image decoding and converted into BMP images : probably includes IDCT, anti-quantified, Anti-coding processes, procedures can correct translation!

反编译工具(i6comp) 源码，可以解压InstallShield压缩的CAB包 0.2-i6compress project，to decompress the 2.0cab file created by InstallShield

这个用C#编译的程序可以用来进行大地测量中的高斯反算的过程，且计算结果较为准确。-The program compiled using C# can be used for geodetic inverse Gaussian process, and the results are more accurate.