You need to initialize only the service (the first four lines of the example) once in your client page.
只需要在客户机页面中初始化一次服务(示例的前四行)。
In this class, you define what the client page does with the data (or the exception) when the server is done.
在这个类中，定义服务器操作完成时客户机页面如何处理数据(或异常)。
If they have a client page, check who USES their product, and see whether you're even going after the same markets.
如果他们有一个客户页，检查谁在用他们的产品，然后看看是否你在追逐同样的市场。
Screen shot of the My Twitter Web client page, showing the user's last update, a text field for adding a new update, and a list of friends' statuses.
MyTwitterWeb客户端页面的屏幕截图，显示了用户的上一次更新、添加新更新的文本字段，以及好友状态列表。
When you call this code from your client page, you actually use the async interface, and GWT converts it to the main interface, which is what the server side will see.
当您从客户机页面调用这段代码时，实际上使用的是异步接口，然后GWT将把它转换为服务器端将看到的主接口。
Describes how to create a custom client event and add the event to the client page life cycle.
描述如何创建自定义客户端事件并将该事件添加到客户端页生命周期。
The Advanced Client page specifies whether to download the package source files for the advertised program before running the program.
AdvancedClient页面指定在运行程序前是否下载所广告的程序的包源文件。
The Advanced Client page specifies whether to download the package source files for the advertised program before running the program.
AdvancedClient页面指定在运行程序前是否下载所广告的程序的包源文件。
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