单词 | micro-opaque |
释义 | micro-opaque|ˌmaɪkrəʊəʊˈpeɪk| [f. micro- 7 + opaque a. (n.)] A type of microform produced on card or paper instead of film. Also attrib. or as adj.
1952Aslib Proc. IV. 154 Micro-opaques have made far greater psychological appeal to the user than microfilm. 1956Amer. Documentation VII. 169/1 Writers in several countries have concerned themselves with the general theme of micro-opaques. 1962A. Günther Microphotogr. in Library (Unesco) 7 Micro-opaque cards have another advantage in that they do not need a protective envelope and may be readily filed. 1963Amer. N. & Q. June 155/1 Original public records are being published in a micro-opaque series of 3 × 5-inch cards issued by the Public Record Office of Great Britain. |

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