“Porro-prism erecting system”的概念、定义、翻译、参考文献-科学参考

单词	Porro-prism erecting system
释义	Porro-prism erecting system [`pȯ·rō ´priz·ǝm i`rek·tiŋ ´sis·tǝm] ^OPTICS A compound erecting system, designed by M. Porro, in which there are four reflections to completely erect the image; two Porro prisms are employed; the line of sight is bent through 360°, is displaced, but is not deviated; used in prism binoculars and some telescope systems.
随便看	inner bremsstrahlung inner cell mass inner core inner ear inner function inner harbor inner hearth inner keel inner Lagrangian point inner mantle inner marker inner planet inner potential inner product inner product space inner quantum number inner strake inner tube inner-tube extension innervation innominate innominate artery inoculant inoculation inoculum

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