The results showed. 1. The average protein content for single-cropping and intercropping was 39.48% and 39.16% respectively. It presented no significant difference by t-value test;
试验结果表明：1。单作与间作蛋白质平均含量分别是39.48％和39.16％，通过t值显著性测定，单作与间作蛋白质含量差异不显著；
Objective The value of dipyridamole test (DP T) in the diagnosis of coronary heart disease(CHD) was researched.
目的探讨潘生丁试验（DP- T）在冠心病诊断中的价值。
The t-test result showed that the prediction value agreed with the observation data fairly well and the BP neural network model had rather high prediction precision.
t检验结果表明，BP神经网络训练和预测得到的模拟值与实测值之间吻合很好，该方法具有较高的预测精度。
The new method USES reference portfolio formed on the base of corporation market value to calculate long-run abnormal returns, USES adjusted-t test or rank test to test abnormal returns.
改进的长期异常回报率计算方法是基于市值的参考组合法，改进的检测方法是偏度矫正的t检验法和秩和法。
F test; t test)and estimation error of the model. Evaluating index for spatialised data products includes mean value, maximum value, value distribution range and spatial distribution of errors.
完整的属性数据空间化误差的评价指标包括数据源、空间化模型和数据产品等三个方面。
F test; t test)and estimation error of the model. Evaluating index for spatialised data products includes mean value, maximum value, value distribution range and spatial distribution of errors.
完整的属性数据空间化误差的评价指标包括数据源、空间化模型和数据产品等三个方面。
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