lower tree layer

基本解释

• 低树层

英汉例句

双语例句

• In shrub-tree stage , the species diversity in tree layer was lower than that of shrub layer .
  灌乔林过渡阶段群落乔木层物种多样性指数低，而灌木层多样性指数高。

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词组短语

短语

• lower punch tree layer 低树层

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