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单词	positive focal plane
释义	positive focal plane photo plane Photo plane at an angle of depression of 18°.The plane occupied by the film at the focal point of the lens. Also called a positive focal plane.
随便看	pratts pratt school of art and design pratt school of engineering pratt scissors pratt sign pratt sound pratt speculum pratt symptom pratt t-clamp pratt technique pratt truss prattville prattville area chamber of commerce prattville pops community band pratt & whitney pratt & whitney aircraft pratt & whitney canada pratt & whitney power systems pratt & whitney rocketdyne pratu pratyaksha raksha deiva sabha prau praunus prausnitz prausnitz-kustner antibody

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。