Axis的调用机制主要基于Call；不过，SandeshaContext却是用于从客户机代码将额外的参数传递给特定于sandesha和axis的组件。

Axis's invocation mechanism is mainly based on Call; however, SandeshaContext is used to pass the additional parameters from client code to Sandesha and Axis-specific components.

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想一想执行远程方法调用的机制，您就会发现定义参数传递的方向(客户机到服务器、服务器到客户机或者双向传递)是多么的有意义。

If you think about the mechanics of making a remote method call, it makes perfect sense to define the direction that the parameters will be moving in — client-to-server, server-to-client, or both.

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有几个cpu提供一个机制来调用函数来确定和验证传递给它的参数的数量。VAX cpu是一个主要的例子。

Only a few CPUs provide a mechanism for a called function to determine and verify the number of parameters passed to it. The VAX CPU is a major example.

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