“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	calorimetric test calorimetric titration calorimetry Caloris Basin calorizator calorize calorized steel calotte calotype calsequestrin calthrop calutron calvarium calved ice calving Calvé's disease calx calycanthemy Calycerales calyculate calymma Calymmatobacterium Calymnidae Calypso calypter

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