File:Liu DuanDuan.jpgendorses you or your use. https://creativecommons.org/licenses/by/2.5CC BY 2.5 Creative Commons Attribution 2.5 truetrue English Chinese Actor Liu Duan Duan
File:Actor Liu Duan Duan.jpgendorses you or your use. https://creativecommons.org/licenses/by/2.5CC BY 2.5 Creative Commons Attribution 2.5 truetrue English Actor Liu Duan Duan
File:1918 Duan Qirui Cabinet.jpgDescription1918 Duan Qirui Cabinet.jpg 中文:1918年第三次段祺瑞内阁合影。右起:曹汝霖(交通兼财政总长)、刘冠雄(海军总长)、陆徵祥(外交总长)、段祺瑞(国务总理)、钱能训(内务总长)、段芝贵(陆军总长)、朱深(司法总长)、傅增湘(教育总长) Date 1918
File:Types of Tumor Angiogenesis.jpg14 March 2020 Source Luo Q, Wang J, Zhao W, Peng Z, Liu X, Li B, Zhang H, Shan B, Zhang C, Duan C. Vasculogenic mimicry in carcinogenesis and clinical
File:Clearhead icefish, Protosalanx hyalocranius.jpgncbi.nlm.nih.gov/pmc/articles/PMC5530312/figure/fig1/ Author Liu K, Xu D, Li J, Bian C, Duan J, Zhou Y, Zhang M, You X, You Y, Chen J, Yu H, Xu G, Fang