英语词汇“prime focus”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	prime focus
释义	prime focus prime focus n (Astronomy) the focal point of the objective lens or primary mirror of a telescope Translations fuoco primario prime focus prime focus The focal plane in which the image of the primary mirror or objective lens of a telescope forms, in the absence of other optical components. prime focus [′prīm ′fō·kəs] (optics) The position in a reflecting telescope at which light from celestial objects is focused by the main mirror, located on the axis of the mirror near the open end of the tube.
随便看	running it over to running it over with running its course running it to running joke running joke, a running knot running landing running late running light running lights running like clockwork running like the wind running line amperes running load running low runningly running man community association running man recreation association, inc. running mate running mates running measure running me close running him close running me in running me off my feet

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