...：景观生态学，学科特征，优先研究领域，关键论题和观点 [gap=802]Key words: Landscape ecology; disciplinary characteristics; research priorities; key topics and ...
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The evolutionary history of the university disciplinary structure may be divided into four periods, which have their own characteristics.
本文将大学学科结构的演进轨迹分为四个阶段，并总结了各阶段的特征。
Objective:It is the key to study the variation disciplinary and characteristics on copying handwriting.
目的：研究复写笔迹的变化规律，探讨复写笔迹特征价值。
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