并对试验结果进行拟合分析，探索了探头浸入坯料过程深度变化规律。
The change of penetrated depth of the probe was approached by analysis of experimental results.
这减少了迭代过程中的内存占用，因为堆栈深度始终保持一致，而不依赖于树的高度。
This reduces memory usage during the iteration because the stack depth is constant instead of dependent on the height of the tree.
您所感兴趣的数据通常可以用html树中深度嵌套的单个或标记隔离开来。这使得抽取过程可以专门在文档的一小部分内执行。
Interesting data can often be isolated to single or tags deeply nested in the HTML tree, allowing the extraction process to work exclusively within a small portion of the document.
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