英语词汇“pentaprism”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	pentaprism
释义	pentaprism /pen"teuh priz'euhm/, n. a prism that has five faces, a pair of which are at 90° to each other; a ray entering one of the pair emerges from the other at an angle of 90° to its original direction: used esp. in single-lens reflex cameras to reverse images laterally and reflect them to the viewfinder. Also, penta prism. [1935-40; PENTA- + PRISM]
随便看	equivalence equivalence class equivalence principle equivalence relation equivalency equivalent equivalent weight equivalve equivocal equivocate equivocation equivoque Equuleus er ER Er -er E.R. era ERA eradiate eradicable eradicate erase eraser

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