1. Fuyi：11.忠貴 Zhonggui | 12.浮侈 Fuyi | 13.慎微 Shenwei
1. 本文认为，季风与环流、变动不居的气候、天文异常等是引起两汉灾害多发的主要原因；而两汉时不当的生产开发活动、生活的浮侈和战争等对生态的破坏，是该期灾害发生不可忽视的社会因子。
The article considers the monsoon, the varied climate and the abnormal motion of the stars as the natural cause, also the main cause, which bring about the disaster frequently happened in the Han Dynasty. But improper agriculture and manufacture, the extravagant life and the war, which destroyed the ecological balance, are the social cause not to be ignored.