明代郑和下西洋
Zheng He of the Ming Dynasty made his voyages to the Western Seas
以上为机器翻译结果，长、整句建议使用 人工翻译 。
在明代，当郑和带着他的七个访问团队下西洋时，当时中国拥有世界财富总量和世界上海军的三分之一。
When Admiral Zheng he took his seven trips to the "West Seas" during the Ming dynasty, China possessed one-third of the world's wealth and the world's greatest navy.
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