In the last years of the Qing Dynasty, the scientific train of thought represented by the seismograph of Zhang Heng was promoted overseas, and modern seismology came into being.
2
公元132年，张衡在京城洛阳制成了可以测定地震方向的“候风地动仪”。
In 132 AD, in the then national capital of Luoyang, Zhang Heng made the ancient seismograph to determine the direction of an earthquake.
3
公元132年张衡创制地动仪、浑天仪和指南车。
AD 132. Zhang Heng created the seismograph, the armillary sphere, and the south-pointing chariot (compass).
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