About author:ZHOU Yu-hua(1957-), male, native of Suiping, Henan, a lecturer of Xinyang Vocational and Technical College, engages in information system theory and application.
Supported by:
Supported by the Natural Science Foundation of Zhumadian, Henan, China(11704)； Supported by the National Natural Science Foundation of Shandong Province(60973042)； Supported by the Natural Science Foundation of Shandong Province(Y2008F61, Y2008G20)；
