Like the Browser request Handler, the Resource request Handler provides an interface to, albeit, different clients, and requests that the Business Logic Layer handle the processing.
与浏览器请求处理程序相似，资源请求处理程序提供了一个到不同客户机以及业务逻辑层所处理的请求的接口。
Services can be provided to clients and business partners in this layer.
在这个层中，服务可以被提供给客户和业务合作伙伴。
The presentation layer should also be flexible enough to add new channels like PDA clients, forms and email etc.
呈现层还应该足够灵活，以便添加pda客户端、表单和电子邮件等新通道。
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