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单词
water measurer
释义
water measurer
简明释义
水黾
双语例句
1
In117bc zhang heng of the east han dynasty manufactured the
water
-driven celestial globe a large astronomical time-measuring apparatus that had the primitive function of a mechanical time
measurer
.
公元前117年,东汉的张衡制造了大型天文计时仪器——水运浑天仪,初步具备了机械性计时器的作用。
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更新时间:2025/3/25 17:54:06