张衡是我国东汉时期著名的科学家,发明了世界上最早利用水力转动的浑天仪和测定地震的地动仪,在世界上第一次预测出了月食的规律。张衡成才与父母培养他的兴趣、发挥他的特长有着直接的关系。张衡出生在河南南阳的一个普通的家庭里。虽然当时天灾频繁,人们靠挖野菜、剥树皮过日 Zhang Heng, a famous scientist in the Eastern Han Dynasty, invented the world’s first earth-shaking instrument for measuring the earthquakes by using the hydraulic rotation and the first time in the world predicted the law of the eclipse. Zhang Hengcheng only with his parents to develop his interest in playing his expertise has a direct relationship. Zhang Heng was born in an ordinary family in Nanyang, Henan Province. Although natural disasters were frequent, people dug wild vegetables, peeling bark over