authuir commented on a change in pull request #12420:
URL: https://github.com/apache/flink/pull/12420#discussion_r444587139
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File path: docs/dev/table/streaming/joins.zh.md
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@@ -63,18 +61,17 @@ WHERE o.id = s.orderId AND
o.ordertime BETWEEN s.shiptime - INTERVAL '4' HOUR AND s.shiptime
{% endhighlight %}
-Compared to a regular join operation, this kind of join only supports
append-only tables with time attributes. Since time attributes are
quasi-monotonic increasing, Flink can remove old values from its state without
affecting the correctness of the result.
+与常规 Join 操作相比，时间窗口 Join 只支持带有时间属性的递增表。由于时间属性是单调递增的，Flink
可以从状态中移除过期的数据，而不会影响结果的正确性。
Review comment:
Fixed
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