本文介绍了该地区的地理条件及杨木的选种情况，并介绍了意大利杨的培育经营方式，特性以及对其利用的设想。
The geographical features of Jiayu County and the conditions for species sreenings were presented in this paper. Cultivation and management of Italian populus w…
杨纲凯教授巴特利特为您提供了机会欣赏意大利文艺复兴时期的成果，并探讨其起源。
Professor Kenneth Bartlett offers you the opportunity to appreciate the results of the Italian Renaissance and to probe its origins.
杨纲凯教授巴特利特为您提供了机会欣赏意大利文艺复兴时期的成果，并探讨其起源。
Professor Kenneth Bartlett offers you the opportunity to appreciate the results of the Italian Renaissance and to probe its origins.
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