排序通过对树项目进行迭代(第37 - 39行)来执行。

The sorting is performed by iterating through the tree's items (lines 37 to 39).

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for 循环在 string 列表上进行迭代，一次输出一行。

The for loop iterates over the list of strings, printing them out one at a time.

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您无需对结果集进行迭代，因为OGSA-DAI会一同返回所有行。

You don't need to iterate through the results row by row because OGSA-DAI returns all the rows together.

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