单词	circle of declination
释义	Circle of declination See under Declination. a circle parallel to the celestial equator. See also: Circle, Declination circle of declination circle of declination [′sər·kəl əv ‚dek·lə′nā·shən] (astronomy) hour circle hour circle Any great circle joining the celestial poles and passing through a point on the celestial sphere. All celestial bodies are positioned on particular hour circles. Unlike celestial meridians, which remain fixed with respect to the earth, hour circles move with the celestial sphere as it rotates about the earth. Also called a circle of declination or a circle of right ascension. ThesaurusSeehour circle
随便看	family betulaceae family bible family bible notes family bibles family bignoniaceae family (biology) family bittacidae family blastodiaceae family blattidae family blechnaceae family blenniidae family boidae family boletaceae family bombacaceae family bombycidae family bombycillidae family bombyliidae family boraginaceae family bothidae family bovidae family bradypodidae family bramidae family branchiobdellidae family branchiostegidae family branchiostomidae

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。