元分析是研究效度概化问题的技术，是对具有“预测因子-效标”特征的相关数据进行定量综合的方法。

Validity generalization (VG) is one of the most useful methodologies to estimate the effect sizes of predictor-criterion relationships based on the techniques of meta-analysis.

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将岩体块度指数、绝对风化指数在地质强度指标的区间范围概化表上有机结合起来，构成了GSI的定量确定方法。

Then, through organic combination of rock mass block index and absolute weathering index in the general sector scope table, the quantitative method of GSI is constituted.

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