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关注:1
2013-05-23 12:21
求翻译:天文学家张衡制作的地动仪名扬天下是什么意思?![]() ![]() 天文学家张衡制作的地动仪名扬天下
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2013-05-23 12:21:38
Astronomer Zhang Heng seismograph produced legendary
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2013-05-23 12:23:18
Astronomers produced by 78-139 seismograph, French empire
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2013-05-23 12:24:58
The astronomer opens the graduated arm manufacture seismograph to raise the world
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2013-05-23 12:26:38
Produced by astronomer Zhang Heng's seismoscope mingyangtianxia
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2013-05-23 12:28:18
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