很好的讲纠错码的资料，详细介绍纠错码的分类，以及各个纠错码的特性，入门的不错参考。-Stresses good error-correcting code information, details on the classification of error-correcting codes, as well as the characteristics of the various error-correcting codes, a

一个可以用的工业组态软件源码，包括各种测试工具-One can use the industrial configuration software source code, including various testing tools