Crown: Medium or low height, avoid crowns that are full or too high.
帽顶：中等高度或偏低，不要选那种又圆又高的帽子。
Crown: Shorter height. Avoid crowns that are square, full, or too high.
帽顶：高度上要低一点。不要那种方形，圆形或很高的帽子。
It can measure the height, diameter and crown of trees at the same time.
该方法可以同时对树木的树高、树径、树冠进行测量。
With aid of the height of building, I could view the tree crown of willows.
借助于楼房的高度，我可以望见柳树的冠顶。
With aid of the height of building, I could view the tree crown of willows.
借助于楼房的高度，我可以望见柳树的冠顶。
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