[FLINK-18854][docs-zh] Translate the 'API Migration Guides' page of '…

…Application Development' into Chinese

This closes apache#13172

docs/dev/migration.zh.md

@@ -25,18 +25,18 @@ under the License.
 * This will be replaced by the TOC
 {:toc}
 
-See the [older migration
-guide](https://ci.apache.org/projects/flink/flink-docs-release-1.10/dev/migration.html)
-for information about migrating from older versions than Flink 1.3.
+有关从 Flink 1.3 之前版本迁移的信息，请参阅[旧版本迁移指南](https://ci.apache.org/projects/flink/flink-docs-release-1.10/zh/dev/migration.html)。
 
-## Migrating from Flink 1.3+ to Flink 1.7
+<a name="migrating-from-flink-13-to-flink-17"></a>
 
-### API changes for serializer snapshots
+## 从 Flink 1.3+ 迁移到 Flink 1.7
 
-This would be relevant mostly for users implementing custom `TypeSerializer`s for their state.
+<a name="api-changes-for-serializer-snapshots"></a>
 
-The old `TypeSerializerConfigSnapshot` abstraction is now deprecated, and will be fully removed in the future
-in favor of the new `TypeSerializerSnapshot`. For details and guides on how to migrate, please see
-[Migrating from deprecated serializer snapshot APIs before Flink 1.7]({{ site.baseurl }}/dev/stream/state/custom_serialization.html#migrating-from-deprecated-serializer-snapshot-apis-before-flink-17).
+### Serializer snapshots 的 API 变更
+
+这主要和用户为其状态实现的自定义 `TypeSerializer` 有关。
+
+目前旧接口 `TypeSerializerConfigSnapshot` 已弃用，请使用新的 `TypeSerializerSnapshot` 接口取而代之。有关如何迁移的详细信息和指南，请参阅[如何从 Flink 1.7 之前的 serializer snapshot 接口进行迁移]({% link dev/stream/state/custom_serialization.zh.md %}#migrating-from-deprecated-serializer-snapshot-apis-before-flink-17).
 
 {% top %}