First, deeply loves the tourism Second, wholeheartedly serves for 旅游者 Third, carries forward the spirit of patriotism Traveling occupational ethics standard First, the patriotic love business professional love
Xiaoqing Tian,Yuliang Zu,Shaohua Liang,et al. The bone age survey of 1205 adolescents who are Han nationality in Qingdao area .[J].Journal of Clinical Rehabilitative Tissue Engineering Research,2010,14(41