The author, with the peculiar viewpoint and identity as a descendant of Zheng he, describes the process of circulation and loss of Zheng he's Genealogy in Yunnan and Nanjing.
本文以郑和后裔独特的身份和视角记述了云南、南京两地郑和家谱的流传历程及丢失经过。
Scaling, corrosion and biological silt may be formed in usage process of circulation cooling water.
循环冷却水在使用的过程中，会在系统中产生结垢、腐蚀和生物粘泥。
This paper first reviews in theory the fundamental notions, structures, behavior and the evolution process of circulation channels.
本文首先从理论上对流通渠道的基本概念、流通渠道结构、流通渠道行为及其演变过程分别进行探讨。
This paper first reviews in theory the fundamental notions, structures, behavior and the evolution process of circulation channels.
本文首先从理论上对流通渠道的基本概念、流通渠道结构、流通渠道行为及其演变过程分别进行探讨。
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