“circle of perpetual apparition”的概念、定义、翻译、参考文献-科学参考

单词	circle of perpetual apparition
释义	circle of perpetual apparition [`sǝr·kǝl ǝv pǝr`pech·ǝ·wǝl ap·ǝ`rish·ǝn] ^ASTRONOMY That circle of the celestial sphere, centered on the polar axis and having a polar distance from the elevated pole approximately equal to the latitude of the observer, within which celestial bodies do not set.
随便看	personal equation personal identification code personal information manager personality personality disorder personal locator beacon personal probability personnel carrier personnel monitoring Persoz's reagent perspective perspective axis perspective center perspective chart perspective plane perspective projection perspiration Pers sunshine recorder persuader persulfate persulfuric acid PERT perthite perthitic perthosite

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