In Listing 24, the procedure proc is coded to return an OUT parameter value, which is denoted by the parameter marker (?), and was not coded to accept an input value.

在清单24中，过程被编码为返回一个OUT参数值，使用参数标记(？)表示，并且不能接受输入值。

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Specifies whether the parameter represents an input parameter, an output parameter, both an input and an output parameter, or the return value from a stored procedure.

指定参数是否代表了一个输入参数、一个输出参数或者同时代表了上述二者，或返回已有的程序值。

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In this simulating procedure the measured value of pressure wave from the inlet of injector is used as major input data for prediction of performance.

本模拟过程中利用喷油器进口处的压力波实测值作为性能预测的主要输入数据。

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