您无法控制应用服务器或数据访问。
You have no control over the application server or data access.
客户机获得授权和布局之后，就可以直接从数据服务器访问信息。
When authorized and given the layout, the client is free to access information from the data servers directly.
它还与控件进行数据绑定，并访问服务器端数据。
It also does data binding with controls, and accesses server-side data.
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