crown height
常見例句
- 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(guān)。 - 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(guān)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(guān)及通徑分析分析表明:總花量與生長性狀之間的遺傳相關(guān)系數(shù)均為負值; 返回 crown height