[GitHub] [flink] XBaith 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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XBaith commented on a change in pull request #13088:
URL: https://github.com/apache/flink/pull/13088#discussion_r467664455



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File path: docs/dev/stream/side_output.zh.md
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@@ -110,17 +101,15 @@ val mainDataStream = input
       // emit data to regular output

Review comment:
       发送数据到主要的输出

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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。
 
-When using side outputs, you first need to define an `OutputTag` that will be used to identify a
-side output stream:
+使用旁路输出时，首先需要定义用于标识旁路输出流的 `OutputTag`：
 
 <div class="codetabs" markdown="1">
 <div data-lang="java" markdown="1">
 
 {% highlight java %}
-// this needs to be an anonymous inner class, so that we can analyze the type
+// 这需要是一个匿名的内部类，这样我们才能分析类型

Review comment:
       ```suggestion
   // 这需要是一个匿名的内部类，以便我们分析类型
   ```




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