a comparative study in the cross-border area of China and Mongolia 放牧制度对草原植被群落的影响：中蒙跨境地区对比研究：a comparative study in the cross-border area of China and Mongolia Comparative study of the cross-border Miao language between China and Thailand a comparative study of the merchant of venice and volpone 并列题名：Comparative study of the cross-border Miao language between China and Thailand a comparative study of the Europeanization of croatia and serbia a comparative study of the traditional core values between China and the West a comparative study of policy efforts in China and abroad a comparative study on Chinese and Western aid to Africa a comparative study between China and Russia