The algorithm is simple; it iterates through the top-level items of the tree and compares their text contents with the search string (lines 43 to 52 in listing 6).
算法很简单，它对树的顶级项目进行迭代，并将其文本内容与搜索字符串进行比较(清单6中的第43- 52行)。
The algorithm is simple; it iterates through the top-level items of the tree and compares their text contents with the search string (lines 43 to 52 in listing 6).
算法很简单，它对树的顶级项目进行迭代，并将其文本内容与搜索字符串进行比较(清单6中的第43- 52行)。
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