| 单词 | test strip |
| 释义 | > as lemmastest strip test strip n. (a) Cinematography (see quot. 1940); (b) Photography (see quot. 1973). ΘΚΠ society > leisure > the arts > visual arts > photography > plates and films > [noun] > film > types of film film negative1871 roll1889 roll film1895 reversal film1929 colour film1930 lenticular film1934 pan1940 test strip1940 flat film1950 integral tripack1953 lith1955 overhead transparency1966 society > leisure > the arts > performance arts > cinematography > filming > filming equipment > [noun] > film > sound stripe > test test strip1940 1940 Chambers's Techn. Dict. Test strip (Cinema.), the specially exposed unmodulated sound-track which is made to ascertain the current in the exciter lamp of a recording machine which gives the requisite density on the negative, after normal development. 1958 T. L. J. Bentley in Newnes Compl. Amateur Photogr. iv. 78 By giving a series of test strips different periods of development and measuring the resulting gammas and plotting them against development times, a curve is produced. 1973 D. A. Spencer Focal Dict. Photogr. Technol. 623 Test strip, a piece of the sensitised material on which exposure is to be made which is exposed in sections, each receiving a different exposure to enable the correct exposure to be judged by the appearance of the developed strip. Each successive section typically receives twice the exposure of the previous section. < as lemmas |
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