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单词 ncr
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NCR
NCR n. no carbon required, (the proprietary name for) paper chemically treated so that the pressure of writing or typing alone produces duplicate copies without the use of carbon paper between sheets.
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1955 Official Gaz. (U.S. Patent Office) 12 July tm104/1 NCR no carbon required paper.
1956 Brit. Printer Mar. 42/1 Since its appearance on the US market some 18 months ago, ncr paper..is now being manufactured in this country. The initials ncr represent not only the name of the manufacturers—the National Cash Register Co Ltd—but the particular characteristics of the paper (No Carbon Required).
1967 C. Wilson in G. Wills & R. Yearsley Handbk. Managem. Technol. 46 Copies of print-outs are obtained with carbon paper or NCR paper. The latter (‘no carbon required’) has a chemically coated surface activated by percussion.
1995 Freedom: Canada's Guide for Disabled Spring 50/1 The old system of note-taking is for a hearing student to take notes on NCR paper, and pass the duplicate set along to the hard-of-hearing classmate.
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