| 单词 | declination circle |
| 释义 | > as lemmasdeclination circle declination circle n. (a) (see quot. 1854); (b) the graduated circle on an equatorial telescope which marks the declinations of the heavenly bodies. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > instrument for distant vision > [noun] > telescope > astronomical telescopes > parts of well1706 declination axis1835 declination circle1835 telescope driver1874 adaptive optics1966 1835 Mechanics' Mag. 24 211 Y is the declination circle, fixed on the declination axis. 1854 H. Moseley Lect. Astron. (ed. 4) ix. 41 Declination-circles are those great circles which pass round the heavens from one pole to the other. 1888 Encycl. Brit. XXIII. 149/1 The declination circle is attached to the farther end of the declination axis. < as lemmas |
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