【摘要】 “必震六兆”出自1935年《重修隆德县志》的《震灾》篇，它源于龙华民《地震解》中的“地震六兆”；《地震解》是龙华民译自科英布拉《〈天象学〉疏注》。古今许多震例证明“必震六兆”是基本可信的，但也有其局限性。《震灾》篇作者总结出“必震六兆”，是有胆有识，贡献卓著的创新之举，值得后人学习、传承、发扬光大。更多还原

【Abstract】 “Six Signs Must Be An Earthquake” comes from the chapter Earthquake of 1935’s the Rebuild of Longde County Records, originated from “Six Signs of An Earthquake” of Earthquake Solution written by Long Huamin(Nicolas Longobardi). Earthquake Solution is translated from Commentarii Collegi Conimbricensis Societatis Jesu on Astronomy. “ Six Signs Must Be An Earthquake” have been proved mainly believable by lots of ancient and modern earthquakes, but also have the boundedness. The author of the chapter Earthquake is very courageous and knowledgeable by summarizing “Six Signs Must Be An Earthquake”. His outstanding contribution and innovation are worthy of future generations to learn and carry forward.更多还原