This actually goes to a stub function which stops the SPE processor, signals the PPE, and the PPE actually performs the function call.
这实际上会转入到一个stub函数，该函数可以停止SPE处理器、发信号给PPE，而由PPE实际执行函数调用。
Localization transparency is achieved through providing a function stub to the invoking application.
通过向调用的应用程序提供功能存根达到定位透明性。
After possibly converting the return values, the client stub finally returns to the client function.
在转换返回值之后，客户端存根最终返回到客户端函数。
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