英语词汇“document mark”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	document mark
释义	document mark document mark [′däk·yə·mənt ‚märk] (graphic arts) A small mark on each frame of a roll of microfilm, used by the microfilm reader to keep count of the frames. document mark In micrographics, a small optical blip on each frame on a roll of microfilm that is used to automatically count the frames.
随便看	aorto-iliac occlusive disease aortoiliac occlusive disease aortolith aortomalacia aortopathy aortopexy aortoplasty aortoptosia aortoptosis aortopulmonary aortopulmonary fenestration aortopulmonary septum aortopulmonary window aortorenal bypass aortorrhaphy aortosclerosis aortostenosis aortotomy aortoventricular tunnel a or two aortæ aoru aor-w aorw aos

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