Dictionary › 候风地动仪

候风地动仪

hòu fēng dì dòng yí

5-character word Traditional 候風地動儀

What 候风地动仪 means

  1. the world's first seismograph invented by Zhang Heng {张衡|Zhāng Héng} in 132

The characters in 候风地动仪

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