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地震学是近百年兴起的一门科学。带有记录装置的近代地震仪诞生至今还不过百年。中国古代在地震学的早期发展史上有很多贡献,在历代史书和地志文献中保存了丰富的地震记录,是研究地震学的珍贵资料。早在1800多年前的东汉就已发明地震仪。中国古代杰出的科学家张衡(公元78～139年)于东汉阳嘉元年(公元132年)发明的候风地动仪,是世界上最早的地震仪,比欧洲早1700多年。 张衡先后任太史令、执掌天时星历的研究工作。候风地动仪是他重任期间(公元126—133年)发明的。装置在当时的首都洛阳的灵台(天文台)上,同浑仪、浑象等天文仪器一起供观测之用。可惜候风地动仪未能
Seismology is a science that has flourished in recent centuries. Modern seismographs with recording devices have not been more than a century old yet. In ancient China, there were many contributions to the early history of seismology, and the rich seismograms were preserved in the history books and geo-biographies of ancient times, which is a precious data for the study of seismology. As early as 1,800 years ago in the Eastern Han Dynasty has invented the seismograph. Zhang Heng, an outstanding scientist in ancient China (78--139 AD) invented the first mover in the Eastern Han Dynasty of Yangjia (132 CE), the earliest seismograph in the world, more than 1,700 years earlier than in Europe. Zhang Heng successively Ren Shi Shi, in charge of the research work of ephemeris. Landing device was invented during his important mission (AD 126-133). Installation at the time of the capital Luoyang Lingtai (Observatory), with the same instrument, muddy astronomical instruments for observation purposes. Unfortunately, the wind moving device failed