1. In the second part, taxonomy, ecology, ornamental and phytocoenology of landscape trees are introduced.
   绪论介绍我国园林树木的资源、园林树木的定义、学习任务和学习方法。
2. Russian forest phytocoenology developed in partial independence of the Finnish shool, but was influenced by it.
   俄国森林植物群落学部分地独立于芬兰学派发展，但受其影响。

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