The tester still has to design the actual test data values so that each supports the objective.
测试者依然需要设计实际的测试数据来支持这些目标。
In this paper, the sources of error in no-load engine power testing are analyzed. Two methods to reduce the errors are put forward, based on the investigation of actual test data.
分析了无外载测功法中的主要误差来源，在对实测数据分析研究的基础上，提出了两种提高精度的方法。
A regression model for predicting 13 types of VGO hydrocarbon compositions was set up by stepwise regression method, and the predicted value agreed quite well with the actual test data.
回归模型统计分析及检验结果表明，所得模型的预测能力较强，可以用于减压蜡油组成的预测。
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