作业帮介绍张衡的英语作文,
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介绍张衡的英语作文,
介绍张衡的英语作文,
介绍张衡的英语作文,
China Eastern Han Dynasty,was born in the Nanyang County,Henan Province today,good at writing at the age of 12,16-year-old city to study,the time spent decades studying literature and writing.At the age of 30 to astronomy,at the age of 38 became government officials.Mathematician ,Writer,Zhan Xingjia,geographer and philosopher.In 123 years,changed the calendar,bringing them in line with seasonal changes.Invented 132 years the earth will quake-designate wind instrument to measure earthquakes.Hailed as "the world rarely seen in the history of the Branch St.."