A new method for precursory information extraction, i. e. slope difference information method is proposed in the paper for the daily mean value precursory data sequence.
针对日均值前兆数据序列，提出一种新的前兆信息提取方法，即斜率差信息法。
A new method for precursory information extraction, i. e. slope difference information method is proposed in the paper for the daily mean value precursory data sequence.
针对日均值前兆数据序列，提出一种新的前兆信息提取方法，即斜率差信息法。
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