第二篇文章叙述了中国近十几年九次大地震基本情况的对比研究,汇总了九次大震丰富的观测资料,总结了预报实验中成功和失败的经验教训,并讨论了大陆地震的成因环境,最后提出大陆强震预报的“多阶段、多类型、渐进式预报”的工作程序。 The second article describes the comparative study of the basic conditions of the nine major earthquakes in China over the past decade. It summarizes the abundant observation data of nine major earthquakes, sums up the experiences and lessons from the successes and failures of the prediction experiments, Generative environment, and finally put forward the working procedure of “multi-stage, multi-type and progressive forecast” for the prediction of strong earthquakes in the mainland.