由于种种原因,人类在森林火灾年际时间尺度(数年、甚至十几年、几十年)活动规律的研究方面仍未取得长足进展,特别是,对于一定区域内每过数年或相当时段后重复出现重烧时段(年)现象,仍未取得令人信服的结论,致使具有重大实用价值的年际时间尺度的林火预测预报工作遇到巨大的困 Due to various reasons, great progress has not been made in the study of the law of activity on the interannual time scale of forest fires (years, even decades, decades). In particular, for every few years or equivalent periods in a certain area, After repeated re-burning period (years) phenomenon, has not yet made convincing conclusions, resulting in significant practical value of the interannual time scale forest fire forecasting met tremendous difficulties