“central conic”的概念、定义、翻译、参考文献-科学参考

单词	central conic
释义	central conic [`sen·trǝl `kän·ik] ^MATHEMATICS A conic that has a center, namely, a circle, ellipse, or hyperbola.
随便看	backblast area back bond backbone back boxing backbreak back bulb backcast stripping back check back-coated mirror backcoating back contact back course backcross backcross parent backdeep backdigger back diode back-door cold front back draft back-draft damper back echo back-echo reflection backed cloth back edging back electromotive force

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