crown height

常見例句

雙語例句

• Its occurence is relative to topography, relief, wind, vertical crown height and stand type.
  其發(fā)生與地形地勢、風、樹冠垂直高度、林分因子有關。
• The "crown diameter-crown height" correlation equations and the formulas of three-dimensional vegetation quantity of tree crown are established.
  建立常見綠化樹種“冠徑—冠高”相關方程和樹冠綠化三維量計算公式。
• The gross flowers and height, diameter, crown width, crown height, crown surface of Chinese fir clones in Guangxi area were investigated by genetic correlation analysis and path-coefficient analysis.
  對廣西杉木無性系的總花量與樹高、胸徑、冠幅、冠高、樹冠表面積進行了遺傳相關及通徑分析分析表明：總花量與生長性狀之間的遺傳相關系數(shù)均為負值；
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