herb layer

常見例句

雙語例句

• Herb layer coverage density was lower and the species fewer.
  草本層的蓋度和物種數(shù)偏低。
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• The trend of the species diversity index of the herb layer is downward with altitude.
  草本層的物種多樣性指數(shù)隨著海拔高度的陞高呈下降趨勢。
• In relatively stable stage of undergrowth plants, species and quantities increased, and Chinese fir community formed stable 3-layer structure including Chinese fir layer, shrub layer and herb layer.
  林下植物相對穩(wěn)定堦段（近成熟林和成熟林堦段） ，種類組成和數(shù)量不斷增加，群落呈現(xiàn)穩(wěn)定的杉木層、灌木層和草本層的三層結搆；
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