“focal length factor of photographic lens”的概念、定义、翻译、参考文献-科学参考

单词	focal length factor of photographic lens
释义	focal length factor of photographic lens Encyclopedia 艺术学镜头参数释 focal length factor of photographic lens摄影镜头焦距系数当机位确定后，欲获得相同的拍摄范围（景别），非全画幅数字照相机所用摄影镜头的实际焦距值，折算成全画幅摄影镜头的等效焦距值时的折算倍率。又称焦距换算系数、焦距折算系数。
随便看	farmland irrigation system farmland monitoring farmland nitrogen and phosphorus loss farmland nitrous oxide emission farmland non-point source pollution controlling farmland non-point source pollution control technology farmland obstacle recognition farmland path farmland pollution farmland pollution monitoring farmland pollution risk assessment farmland protection farmland radiation transfer farmland reclamation farmland retreat for lake recovery farmland rodent community Farmland Rodent Damage in East China farmland rodent infestation in Northwest China farmland sand prevention farmland shelterbelt nets farmland shelterbelts farmland soil evaporation farmland water harvesting farm machinery cooperation Farm Security Administration

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