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介绍了应用系统开发工具ＰｏｗｅｒＢｕｉｌｄｅｒ的特点、面向对象的程序设计技术及 ＰｏｗｅｒＢｕｉｌｄｅｒ在市话计费系统开发中的应用。
Introduced the application system development tool PowerBuilder the characteristic, the object-oriented programming technology and the PowerBuilder in the local telephone bill system development application.