“Gregorian telescope”的概念、定义、翻译、参考文献-科学参考

单词	Gregorian telescope
释义	Gregorian telescope [grǝ`gȯr·ē·ǝn `tel·ǝ´skōp] ^OPTICS A reflecting telescope having a paraboloidal mirror with a hole in the center and a small secondary (concave ellipsoidal) mirror placed beyond the focus of the primary mirror; light is reflected to the secondary mirror and back to an eyepiece at the hole; the telescope produces an erect image but a small field of view.
随便看	dry wall dry wash dry washer heterosphere Heterospionidae heterospory heterostatic heterostemony Heterostraci heterostyly heterosuggestion Heterotardigrada heterothallic heterotic superstring theory heterotopia heterotopic heterotopic epithelium heterotopic faces heterotopic ligands heterotopic pregnancy heterotopic transplantation Heterotrichida Heterotrichina heterotrichous heterotroph

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。