element tree 元素树
Element Tree and Serialization 元件树和序列化
feature element tree 特征元素树
tree of element 因素树
element content of tree ring 年轮元素含量
SimpleXML maps an XML document's element tree into a PHP object tree, representing sub-elements as properties.
SimpleXML将一个XML文档中的元素树映射为一个PHP对象树,用属性表示子元素。
According to feather element tree, the base level and base coordinate system are created, then we can choose them when we need them at any time.
根据特征元素树创建了基准面和基准坐标系,使我们很方便的在需要参照基准的时候来选取它。
You can call this method on individual elements if you are adjusting them in ways that do not yet expose or connect the element to any element tree.
如果要使用尚未公开的方式调整元素或者将元素与任何元素树连接,可以在各元素上调用此方法。
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