地震仪 中国 / ç ç©æç大æ°ä¸ç¯å¢ç»¼åè§æµç 究ç«----ä¸å½ç§å¦é¢éèé«åç 究æ
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中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty. 中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.
中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.
中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.
中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.
中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.
中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.
中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.
中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.
中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.
中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.
地震仪 中国 / ç ç©æç大æ°"ä¸ç¯å¢ç»¼åè§æµç "究ç«----ä¸å½ç§'å¦é¢é'èé«åç "究æ. 中国汉代的张衡最早发明地震仪。 the earliest seismograph was invented by a chinese named zhangheng in the han dynasty.