“variable neutral density filter”的概念、定义、翻译、参考文献-科学参考

单词	variable neutral density filter
释义	variable neutral density filter Encyclopedia 艺术学彩色黑白兼用滤光镜释 variable neutral density filter可变中性密度滤光镜通过转动滤光镜上的调节环，可连续均匀改变其通光能力的滤光镜。又称可调减光镜、POL退光镜（Pol Fader），Ｂ＋W公司称其为双偏振镜（Double Polarizer）。
随便看	Mural Tombs of Han Dynasty at Wangdu Mural Tombs of Han Dynasty at Xi'an Mural Tombs of Northern Wei Dynasty at Jimingyi Mural Tombs of Northern Wei Dynasty at Luoyang Mural Tombs of Wives of King Anguoxiang muramic acid muramidase Murasaki Shikibu Murat Kunt Murayama Tomoyoshi Murchison crater Murchison meteorite Murchison, Sir Roderick Impey Murchison Widefield Array Murcia Murder in the Oratory murder of Zhang Shenfu Murdoch murdochite mu recursive function mu-recursive function mu regular measure mu-regular measure murein murexide

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