一个利用PLC编写的工业控制源程序，包括梯形图和组态，很完整，是三层电梯的程序，可以扩展成多层电梯-Prepared using an industrial control PLC source code, including the ladder and configuration, it is complete, is a three-lift procedure can be extended into a multi-elevator

基于UC的电信计费DMS数据挖掘系统，是通过对C/C++、多线程、Socket等的开发、QT等相关技术的综合运用，针对电信运营商推出的Linux/Unix服务器出租业务，设计的用以作为收费依据的数据采集系统。-UC-based telecom billing DMS data mining system, is developed through the integrated use of the C/C++, multi-threading, Socket, etc., QT and othe