这是一套基于socketserver客户端至服务端多线程读取电表加密机功能程序，实现身份认证和对电表控制密文读取的功能。-This is a set of read meter encryption machine socketserver client to the server-based multi-threaded functional program, authentication and control ciphertext read the meter.

交通灯管理系统。。。实现交通灯的控制。。多线程-Traffic light management system. . . Achieve control of traffic lights. . Multithreading