Taking 18 sets of parameter data of underground mine as training and testing samples, the ratio of mis-discrimination is 0.

对18组地下矿山的特征参数值作为学习样本进行训练和检验，回判估计的误判率为0。

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In Survey of Content Validity, 36 items were founded to be related to their dimensions respectively, but not to others, the achievement ratio of aggregation test and discrimination test was 100%.

内容效度评价中，发现36条目与各自的维度相关，而与其他维度不相关（显著低于两个标准差或以上），集合试验和区分试验的成功率达100%。

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