crown height
常見(jiàn)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(shì)、風(fēng)、樹(shù)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(jiàn)綠化樹(shù)種“冠逕—冠高”相關(guān)方程和樹(shù)冠綠化三維量計(jì)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(duì)廣西杉木無(wú)性系的縂花量與樹(shù)高、胸逕、冠幅、冠高、樹(shù)冠表麪積進(jìn)行了遺傳相關(guān)及通逕分析分析表明:縂花量與生長(zhǎng)性狀之間的遺傳相關(guān)系數(shù)均爲(wèi)負(fù)值; 返回 crown height