Read Edit View history 天文钟 tiānwénzhōng astronomical clock Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 天文钟/ 天文鐘 tiānwénzhōng astronomical clock An astronomical clock or high-precision chronometer used for determining exact time, often kept under vacuum at a constant temperature. Edit Delete References Add reference classifier 天文钟/天文鐘 → 座/座 Edit Delete
天文钟/ 天文鐘 tiānwénzhōng astronomical clock An astronomical clock or high-precision chronometer used for determining exact time, often kept under vacuum at a constant temperature. Edit Delete