Wu Lun. Principle, method and application of geographic information system [m], Beijing: Science Press, 2004.

邬伦。地理信息系统——原理、方法和应用[M]。北京：科学出版社，2004。

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Although the direct expatiations by su scholars group on Chuang-tzu were few, some articles such as Chuang-tzu Nei Pian Lun by huang Tingjian and Qi Wu Lun by Chao Buzhi were of great learned value.

苏轼门人对于《庄子》的直接阐述并不多，但诸如黄庭坚的《庄子内篇论》，晁补之的《齐物论》等文章具有很高的学术价值。

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