XBaith commented on a change in pull request #11808: [FLINK-16155][docs-zh]
Translate "Operator/Process Function" page into Chinese
URL: https://github.com/apache/flink/pull/11808#discussion_r410923646
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File path: docs/dev/stream/operators/process_function.zh.md
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@@ -26,66 +26,65 @@ under the License.
* This will be replaced by the TOC
{:toc}
-## The ProcessFunction
+## ProcessFunction简介
-The `ProcessFunction` is a low-level stream processing operation, giving
access to the basic building blocks of
-all (acyclic) streaming applications:
+`ProcessFunction` 是一种低级别的流处理操作，基于它用户可以访问所有（非循环）流应用程序的基本构建块：
- - events (stream elements)
- - state (fault-tolerant, consistent, only on keyed stream)
- - timers (event time and processing time, only on keyed stream)
+ -事件（流元素）
+ -状态（容错，一致行，仅在 keyed stream 上）
+ -计时器（事件时间和处理时间，仅在 keyed stream 上）
-The `ProcessFunction` can be thought of as a `FlatMapFunction` with access to
keyed state and timers. It handles events
-by being invoked for each event received in the input stream(s).
+可以将 `ProcessFunction` 视为一种可以访问 keyed state 和计时器的 `FlatMapFunction`。
+Flink 对每一个收到的元素调用调用这一函数。
Review comment:
1.该句子中出现重复两次“调用”
2.依我个人看来，或许用"它为输入流中收到的每个事件都调用该函数来处理事件"来描述更准确一些？
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