CAS的实现代码，具体实现了CAS的模拟环境，可你加密解密TS流-CAS codes, the concrete realization of the CAS simulated environment, you can decrypt encrypted TS

这是个很不错的编程代码，是有关于网页的编程是由中科院的老师亲自编写的-this is a very good program code is on the website of programming from the CAS is personally prepared by the teachers

这是个很不错的编程代码，是有关于socket套接字的编程是由中科院的老师亲自编写的-this is a very good program code is on the socket socket programming from the CAS is personally prepared by the teachers