英语词汇crown mean diameter怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	crown mean diameter
释义	crown mean diameter 简明释义树冠平均直径网络释义 1 ?树冠平均直径 ... 树冠喷灌机 overtree sprinkler 树冠平均直径 crown mean diameter 树冠疏伐 crown thinning ... 双语例句 1 Acacia dealbata and Alnus cremastogyne were selected as the species with quite fast growth on 3 indexes of tree height, ground diameter and crown mean width. 通过各树种在该立地类型上生长曲线的比较，评选出圣诞树、水冬瓜在3个生长因子上的生长速度最快。
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