并通过改变参数进行试验，找出参数对其性能影响的规律性。
Through changing parameter to test, the effect of technology parameters on gasket performance was studied.
文中进行了轴系故障的计算机仿真试验，并通过改变内燃机动力轴系参数的实测分析证明了该诊断方法是行之有效的。
Computer simulation for crankshaft failures is performed and through actual measurement and analysis by changing crankshaft parameters, the functional diagnosis method is proved to be effective.
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