英语词汇“parfocal eyepieces”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	parfocal eyepieces
释义	parfocal eyepieces parfocal eyepieces [pär′fō·kəl ′ī‚pēs·əz] (optics) Eyepieces whose lower focal points lie in the same plane, so that they can be interchanged without changing the focus of the instrument with which they are used.
随便看	stationary disturbance stationary engine stationary engineer stationary engines stationary ergodic noise stationary-ergodic source stationary field stationary front stationary grid stationary hopper stationary limit stationary lingual arch stationary low-power reactor-1 stationary markov model stationary memoryless source stationary myopia stationary noise stationary orbit stationary phase stationary phase monte carlo stationary phase point stationary planet stationary point stationary point and stationary curve stationary points

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