http://d.baidu.com/rs.php?q=%B5%CD%CB%D9%CA%FD%D7%D6%D3%EF%D2%F4%28CVSD%B1%E0%C2%EB%29%CD%A8%D0%C5%B7%A2%C9%E4%CF%B5%CD%B3%C9%E8%BC%C6%D3%EB%CA%B5%CF%D6+%2C&tn=baidusite
论文当然得自己写了