致灾营力当量定律、实际成功预报情况和已发生典型地质灾害数据反演，为地质灾害气象预报预警级别致灾营力当量界线值确立的依据。

Equivalent law of causing hazards agency, factual and successful predicting condition and typical geological hazards datas conversion already happened set basis for determing equivalent limit.

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目前，我国及各省(直辖市)、自治区广泛开展了地质灾害-气象预报预警工作。

Much work has been doing on geological hazard forecast and warning in our country.

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