... 节点已经存在(The node already exists) 该节点具有自身的子节点(The node has children) 会话过期(The session has been expired by the server) ...
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the node has children
节点有子节点
以上为机器翻译结果,长、整句建议使用 人工翻译 。
Every node has a parent (a node higher up the tree that it is a child of), and possibly some children of its own.
每个节点都有父节点(树中更高层次的节点,该节点是它的一个子级),可能还有自己的子节点。
youdao
The thead element has a single child node, tr, with three children - all th elements.
thead元素只有一个子节点tr,后者有三个子节点—所有th元素。
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