“document mark”的概念、定义、翻译、参考文献-科学参考

单词	document mark
释义	document mark [`däk·yǝ·mǝnt ´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.
随便看	phosphorus pentoxide phosphorus sesquisulfide phosphorus thiochloride phosphorus tribromide phosphorus trichloride phosphorus triiodide phosphorus trisulfide phosphorylase phosphorylation phosphoryl chloride phosphosiderite phosphotransacetylase phosphotungstic acid phosphotungstic pigment phosphowolframic acid phosphuranylite phot photic zone Photidae photino photoacoustic spectroscopy photoaddition photoalidade photoautotrophic photobiont

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