http://kns.cnki.net/KCMS/detail/detail.aspx?dbcode=CJFQ&dbname=CJFDLAST2018&filename=SSJS201811010&uid=WEEvREcwSlJHSldRa1FhdkJkVG1BKzJua255Y3BhVEl0ZjVSSHF1ejBIOD0=$9A4hF_YAuvQ5obgVAqNKPCYcEjKensW4IQMovwHtwkF4VYPoHbKxJw!!&v=MDA0NTBoMVQzcVRyV00xRnJDVVJMT2ZZZVp1Rnl6blY3L0pOajdCZmJHNEg5bk5ybzlFWklSOGVYMUx1eFlTN0Q=
基于870条O-D数据的中国两类航线网络模式空间效益比较
另外:为什么现在CNKI的收费论文这么多?