在返回到服务器端时还能合并起来，这样就能把合并后的实例当作游离态实体加以重用。
They can also be merged when back on the server, so the merged instance can be reused as a classical detached entity.
create元素告诉DWR应当公开给Ajax请求的服务器端类，并定义DWR应当如何获得要进行远程的类的实例。
The create element tells DWR that a server-side class should be exposed to Ajax requests and defines how DWR should obtain an instance of that class to remote.
服务器上的remoting框架代码获取这个请求，对这个XML进行解除编排处理，提取出组件名、方法和实参，然后再在服务器端组件实例上调用此方法。
The remoting framework code on the server picks up this request, unmarshals the XML, extracts the component name, method, and arguments, then invokes the method on the server-side component instance.
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