“polar circle”的概念、定义、翻译、参考文献-科学参考

单词	polar circle
释义	polar circle [`pō·lǝr `sǝr·kǝl] ^GEODESY A parallel of latitude whose distance from the pole is equal to the obliquity of the ecliptic (approximately 23°27').
随便看	Havelock's law haven Haverhill fever Haversian canal Haversian lamella Haversian system haversine havgul havgula havgull HA virus Hawk hawk hawse hawse bolster hawsepipe hawser hay Hayashi track Hay bridge haycock Hayden process haydite hay fever Hayflick limit

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