lower tree layer 低树层
dominant tree layer 优势木层
the tree layer 乔木层
tree layer coverage 乔木层盖度
Tree layer structure 乔木层结构
plant community under tree-layer 林下植物群落
Layer Tree 图层树 ; 层树
The DOM layer provides a foundation for constructing the DOM tree that is compliant with the ODF standard specification.
dom层为构造符合ODF标准规范的dom树提供基础。
Note, however, that in this layer only the ODF standardized XML files can be constructed as the ODFDOM tree.
但是注意，在这一层中，只能把符合 ODF 标准的 XML 文件构造为 ODF DOM 树。
Not a village, not a human being, not a tree, not a blade of grass — the only breaks in the monotonous whiteness are gaping cracks which in places show the layer of moist, black clay underneath.
没有村庄，没有人烟，没有树木，也没有草叶——单调的白色当中，唯一打破沉寂的是那些偶尔露出底下湿黑土壤的巨大裂缝。
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