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单词 heliometer
释义 Noun: heliometer  `heelee'ómitu(r)
  1. 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

Derived forms: heliometers

Type of: measuring device, measuring instrument, measuring system

Encyclopedia: Heliometer

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更新时间:2024/12/21 20:27:17