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Shi si ge yan hai cheng shi kai fang ji shi
Quan guo zheng xie wen shi he xue xi wei yuan hui (China)2014

2016 quan guo zhi cheng ying yu deng ji kao shi yong shu
Ren li zi yuan he she hui bao zhang bu. Ren shi kao shi zhong xin2015
Xing zheng yuan jing ji jian she wei yuan hui lie guan 70 nian du zhong yao jing jian ji hua zhi xing jian tao
Xing zheng yuan jing ji jian she wei yuan hui (China). Guan zhi kao he chu1981

Zheng He yu hai shang si chou zhi lu =
"Zheng He yu hai shang si chou zhi lu-- ji nian Zheng He xia xi yang liu bai zhou nian" xue shu yan tao hui ( 2005 Aomen da xue)1993