Geological prediction is divided into long-term forecasting and short-term forecasting, which are the two successive steps in the work of geological prediction.

超前地质预报分为长期和短期两类，它们是超前地质预报工作步骤中的先后两步。

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Geological prediction is divided into long-term forecasting and short-term forecasting, which are the two successive steps in the work of geological prediction.

超前地质预报分为长期和短期两类，它们是超前地质预报工作步骤中的先后两步。

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