下面的开始节点代表第三个事件。
表1和2代表在每个节点上所需备份的数据。
Tables 1 and 2 represent data you need to back up on each node.
这个节点简单的代表物体已经处在ICE树中并且从物体上获得数据。
This node simply represents that object in the ICE tree and gets data from it.
找出“模式”的区间树的节点代表。
Figure out "the pattern" of the intervals the tree nodes represent.
同样，有两个黑色子节点的黑色父节点也不代表4 -节点。
Similarly, a black parent with two black children does not represent a 4-node.
同样，有两个黑色子节点的黑色父节点也不代表4 -节点。
Similarly, a black parent with two black children does not represent a 4-node.
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