This describes the percentage of the variability in effect estimates that is due to heterogeneity rather than sampling error (chance).

这个指标描述了由异质性而非抽样误差引起效应变异的百分比。

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Many altered rocks in hydrothermal deposit have multiple precursors. The lithogeochemical heterogeneity in rocks are mainly due to measurement error, closure and petrological controls.

介绍了造成岩石地球化学不均匀性的原因，主要有测量误差、闭合问题及岩石学方面的控制等。

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