Remember, we created two business objects, one for input and the other for output.
请记住，我们创建了两个业务对象，一个用于输入，另一个用于输出。
The simplest usage is to have the SPE program take two Pointers: one for an input buffer and one for an output buffer.
最简单的用法是让SPE程序使用两个指针：一个用于输入缓冲区，另外一个用于输出缓冲区。
A simple decision has one incoming branch with one input and two outgoing branches with one output each.
简单的决策有一个包含一个输入的引入分支和两个各包含一个输出的外出分支。
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