| 摘 要： | ![]()
Historical data regarding Zhang Heng＇s seismoscope is not singular proof. Actually, the four earliest historical documents, i. e. , Continuation of Historiography of Han Dynasty, Historiography of the Later Han, Book of the Later Han and Ding Record all have relevant records of its structure, size, principle, response to earthquake and actual applications. These five aspects are supported by archaeological research, unearthed cultural relics, historical earthquakes and modern seismological study. These historical materials contain a great deal of specific information about this ancient seismoscope. In conclusion, the authenticity and reliability of Zhang Heng＇s seismoscope are verified.
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