| 释义 |
he·lio·met·ric 英hiːlɪ'ɒmɪtə美ˌhiːliː'ɒmɪtə
基本英英
n.太阳仪¹⁰⁰形容词heliometric副词heliometrically名词heliometry
Noun:
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 |