[GitHub] [flink] RocMarshal commented on a change in pull request #13088: [FLINK-18814][docs-zh] Translate the 'Side Outputs' page of 'DataStream API' into Chinese

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RocMarshal commented on a change in pull request #13088:
URL: https://github.com/apache/flink/pull/13088#discussion_r469304928



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File path: docs/dev/stream/side_output.zh.md
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@@ -26,21 +26,15 @@ under the License.
 * This will be replaced by the TOC
 {:toc}
 
-In addition to the main stream that results from `DataStream` operations, you can also produce any
-number of additional side output result streams. The type of data in the result streams does not
-have to match the type of data in the main stream and the types of the different side outputs can
-also differ. This operation can be useful when you want to split a stream of data where you would
-normally have to replicate the stream and then filter out from each stream the data that you don't
-want to have.
+除了由 `DataStream` 操作产生的主要流之外，你还可以产生任意数量的旁路输出结果流。结果流中的数据类型不必与主要流中的数据类型相匹配，并且不同旁路输出的类型也可以不同。当你想要拆分数据流时，此操作非常有用，通常你必须复制数据流，然后从每个数据流中过滤掉你不想保留的数据。

Review comment:
       ```suggestion
   除了由 `DataStream` 操作产生的主要流之外，你还可以产生任意数量的旁路输出结果流。结果流中的数据类型不必与主要流中的数据类型相匹配，并且不同旁路输出的类型也可以不同。当你需要拆分数据流时，通常必须复制该数据流，然后从每个流中过滤掉不需要的数据，这个操作十分有用。
   ```




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