“back focal length”的概念、定义、翻译、参考文献-科学参考

单词	back focal length
释义	back focal length [`bak ¦fō·kǝl ´leŋkth] ^OPTICS The distance from the rear surface of a lens to its focal plane.
随便看	Throscidae throttle throttled flow throttle valve throttling throttling bar throttling calorimeter throttling groove throttling rod throttling valve through arch through bridge through-feed centerless grinding through glacier throughput through repeater throughstone through street through-the-thickness braiding through transmission through valley throughway through weld throw throw-away device

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