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[請問] 天文測速儀？
Oct 10th 2013, 00:13, by lifepass

作者lifepass (乖乖)

看板ask

標題[請問] 天文測速儀？

時間Thu Oct 10 00:13:52 2013

請問天文測速儀有分那些種類呢 現今天文台在量測星星移動速度時 比較常用的是那一種天文測速儀？ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.134.11.168

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