!17981 [翻译完成】PR17295

Merge pull request !17981 from Annie_wang/PR17295

en/application-dev/database/data-persistence-by-kv-store.md

@@ -32,7 +32,9 @@ The following table lists the APIs used for KV data persistence. Most of the API
 
 ## How to Develop
 
-1. Create a **KvManager** instance to manage database objects. Example:
+1. Create a **KvManager** instance to manage database objects. 
+
+   Example:
 
    Stage model:
 
@@ -90,7 +92,9 @@ The following table lists the APIs used for KV data persistence. Most of the API
    }
    ```
 
-2. Create and obtain a KV store. Example:
+2. Create and obtain a KV store. 
+
+   Example:
 
    ```js
    try {
@@ -116,7 +120,9 @@ The following table lists the APIs used for KV data persistence. Most of the API
    }
    ```
 
-3. Use **put()** to add data to the KV store. Example:
+3. Use **put()** to add data to the KV store. 
+
+   Example:
 
    ```js
    const KEY_TEST_STRING_ELEMENT = 'key_test_string';
@@ -138,7 +144,9 @@ The following table lists the APIs used for KV data persistence. Most of the API
    >
    > The **put()** method adds a KV pair if the specified key does not exists and changes the value if the the specified key already exists.
 
-4. Use **get()** to obtain the value of a key. Example:
+4. Use **get()** to obtain the value of a key. 
+
+   Example:
 
    ```js
    const KEY_TEST_STRING_ELEMENT = 'key_test_string';
@@ -163,7 +171,9 @@ The following table lists the APIs used for KV data persistence. Most of the API
    }
    ```
 
-5. Use **delete()** to delete the data of the specified key. Example:
+5. Use **delete()** to delete the data of the specified key. 
+
+   Example:
 
    ```js
    const KEY_TEST_STRING_ELEMENT = 'key_test_string';

en/application-dev/database/data-persistence-by-preferences.md

@@ -28,7 +28,7 @@ User applications call **Preference** through the JS interface to read and write
 
 The following table lists the APIs used for preferences data persistence. Most of the APIs are executed asynchronously, using a callback or promise to return the result. The following table uses the callback-based APIs as an example. For more information about the APIs, see [User Preferences](../reference/apis/js-apis-data-preferences.md).
 
-  | API| Description| 
+| API| Description|
 | -------- | -------- |
 | getPreferences(context: Context, name: string, callback: AsyncCallback<Preferences>): void | Obtain a **Preferences** instance.|
 | put(key: string, value: ValueType, callback: AsyncCallback<void>): void | Writes data to the Preferences instance. You can use **flush()** to persist the **Preferences** instance data.|
@@ -157,7 +157,7 @@ The following table lists the APIs used for preferences data persistence. Most o
    }
    ```
 
-5. Deletes data.
+5. Delete data.
 
    Use delete() to delete a KV pair.<br>Example:
 

en/application-dev/database/data-persistence-by-rdb-store.md

@@ -142,7 +142,9 @@ The following table lists the APIs used for RDB data persistence. Most of the AP
 
 3. Modify or delete data based on the specified **Predicates** instance.
 
-   Use **update()** to modify data and **delete()** to delete data. Example:
+   Use **update()** to modify data and **delete()** to delete data. 
+
+   Example:
 
    ```js
    // Modify data.
@@ -176,7 +178,9 @@ The following table lists the APIs used for RDB data persistence. Most of the AP
 
 4. Query data based on the conditions specified by **Predicates**.
 
-   Use **query()** to query data. The data obtained is returned in a **ResultSet** object. Example:
+   Use **query()** to query data. The data obtained is returned in a **ResultSet** object. 
+
+   Example:
 
    ```js
    let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
@@ -197,7 +201,9 @@ The following table lists the APIs used for RDB data persistence. Most of the AP
 
 5. Delete the RDB store.
 
-   Use **deleteRdbStore()** to delete the RDB store and related database files. Example:
+   Use **deleteRdbStore()** to delete the RDB store and related database files. 
+
+   Example:
 
    Stage model:
    
@@ -215,7 +221,7 @@ The following table lists the APIs used for RDB data persistence. Most of the AP
          console.info('Succeeded in deleting RdbStore.');
        });
      }
-   }
+}
    ```
 
    FA model:

en/application-dev/database/data-sync-of-kv-store.md

@@ -91,7 +91,7 @@ The following table lists the APIs for cross-device data synchronization of the
 
 ## How to Develop
 
-The following uses a single KV store as an example to describe how to implement cross-device data synchronization. The following describes the development process.
+The following uses a single KV store as an example to describe how to implement cross-device data synchronization. The development process is as follows.
 
 ![kvStore_development_process](figures/kvStore_development_process.png)
 

en/application-dev/database/share-data-by-datashareextensionability.md

@@ -17,6 +17,7 @@ There are two roles in **DataShare**:
 - Data consumer: accesses the data provided by the provider using [createDataShareHelper()](../reference/apis/js-apis-data-dataShare.md#datasharecreatedatasharehelper).
 
 **Figure 1** Data sharing mechanism
+ 
 ![dataShare](figures/dataShare.jpg)
 
 - The **DataShareExtensionAbility** module, as the data provider, implements services related to data sharing between applications.