举一纲而万目张，解一卷而众篇明。——郑玄。

For classes and all orders, a roll and the Ming.

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蔡丰明的《上海都市风俗》和郑祖安的《百年上海城》对上海近代都市旅游的某些方面做了一些介绍等等。

Cai Mingfeng in "urban custom of Shanghai" and Zheng Zuan in "a century Shanghai" had some introductions to some respects of the modern Shanghai's urban tourism in bright.

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郑明。光照强度对烤烟生长发育和叶片组织结构及品质影响的研究[d]。长沙：湖南农业大学，2010。

Zheng M. Study on effect of light intensity on growth and leaf tissue structure and quality characteristic of flue-cured tobacco [d]. Changsha: Hunan Agricultural University, 2010.

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