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1·Some species of trees have aesthetic value, such as conifer and rare broad leaved tree.

为增加林带的美学欣赏价值，应该配置非传统的针阔叶树种。

2·The broad leaved tree in mixed forest can add nitrogen and adjust the ration of carbon to nitrogen.

阔叶树种在杉阔混交林中具有增氮和调节碳氮比作用，退化点和作用点彼此互为佐证。

3·Evergreen and deciduous broad-leaved tree species were almost equivalent in quantity and importance values in the basal vegetation zone.

植被基带群落中，在物种数量、区系成分和重要值方面，常绿和落叶阔叶树种所占的比例都相差无几。

4·The early growth of 23 broad-leaved tree species from the south subtropical forest community restoration standardization demonstration area were investigated and analyzed.

对南亚热带森林群落恢复标准化示范区23个阔叶树种的早期生长进行了调查与分析。

5·The law of stump sprouting of broad-leaved tree species was studied in eastern forest area in Northeast China by the investigation of fixed sampling.

对固定样地调查，采用伐桩的径、高度、萌芽的数量、萌芽的生长情况等指标，分析东北东部林区主要阔叶树种的伐桩萌芽更新规律。

6·It showed that the minimum sample for spot checking tree spatial distribution patterns of natural Korean pine broad leaved forest should be 49.

结果表明，天然红松阔叶林空间分布格局调查的最小样本量为49。

7·Different climatic regions favor forests of different types of tree, for instance coniferous, broad-leaved deciduous, and broad-leaved tropical.

不同气候的地区适合不同种类树的森林，例如松柏类森林、宽叶落叶森林和宽叶热带森林。

8·The succession of broad-leaved forest by decreasing tree number and increasing storage was in accordance with the characteristics of transfer probability.

阔叶林分通过株数递减和蓄积量递增而演变，这种演变过程和转移概率的特征是一致的。