请参阅提示以了解如何确定正确的端口值。

See Tips for how to determine the correct value of port.

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不正确的匹配的一个常见的原因就是缺少足够多相同或不同的值来确定两个记录是否真正相关。

A common cause of incorrect matching is the lack of enough common or differentiating values to determine whether two records are truly related.

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接着，比较这些值以确定正确的排序顺序。

These values are then compared to determine the proper sort order.

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