树冠 [shù guān]

• {林} crown
• 短语:
  • 树冠层 crown canopy; crown layer;
  • 树冠覆盖 crown cover;
  • 树冠高 crown height;
  • 树冠厚度 crown depth;
  • 树冠火 crown(ing) fire;
  • 树冠级 crown class;
  • 树冠率 crown percent; crown ratio;
  • 树冠密度 crown density;
  • 树冠喷灌机 overtree sprinkler;
  • 树冠平均直径 crown mean diameter;
  • 树冠疏伐 crown thinning;
  • 树冠疏枝 setting free the crown;
  • 树冠形 crown form;
  • 树冠郁闭 canopy