heliometer
英：[hi:lɪ'ɒmɪtə] 美： [ˌhili'ɒmɪtə]
heliometer 基本解释
n.太阳仪；测日仪；
英英释义
heliometer[ ,hi:li'ɔmitə ]
n.an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope
heliometer 相关例句
权威例句
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