英语词汇crown thinning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 thinning
释义	crown thinning 简明释义树冠疏伐网络释义 1 ?冠层疏伐 ... 树冠面 crown surface 冠层疏伐 crown thinning 粗〔略〕出生率 crude birth rate ... 2 [林]?上层疏伐 ... moderate thinning 适度,疏伐 crown thinning 上层疏伐 web thinning 修磨横刃 ... 3 ?树冠疏伐 ... commercial thinning 商业性疏伐 crown thinning 树冠疏伐 date of thinning 间苗期 ... 双语例句 1 Furthermore, the relationships among contribution of different layers of tree crown to light absorption, dynamic analysis of tree crown structure and thinning as well as pruning were discussed. 并就不同冠层对光吸收的贡献与树冠结构动态分析及抚育间伐修枝方面的关系进行了讨论。 2 I am 54 years old and have serious thinning on the crown of my head. 我已经54岁了，并且我的头已经明显秃顶，像个皇冠！
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