:::::::: about author ::::::::
name: weixiaoyong
personal homepage: http://qsc99.yeah.net/
research homepage: http://ftransform.yeah.net/
email: qsc99@hotmail.com
favorite software: rational rose, visual c++6.0, jdk, photoshop, dreamweaver ultradev
has experience of syetem analysis and development for many years.
now is a graduate student of yunnan university.
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