“afocal system”的概念、定义、翻译、参考文献-科学参考

单词	afocal system
释义	afocal system [`ā·fō·kǝl `sis·tǝm] ^OPTICS An optical system of zero convergent power, for example, a telescope.
随便看	siderostat siderotil side shot side slope side spray side stream sidestream sidestream stripper sideswipe side-tipping loader sidetone sidetone level sidetone ranging sidetrack sidetracking sidewalk side-wall sampling sideways feed Sidewinder siding SIDS siegbahn siege-howitzer siegenite siemens

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