| 单词 | perforated tape |
| 释义 | > as lemmasperforated tape perforated tape n. = punched tape n. at punched adj.1 Compounds. ΘΚΠ society > computing and information technology > hardware > secondary storage > [noun] > punch card or tape punched paper1860 punch card1881 punched tape1885 paper tape1890 perforated tape1890 punched card1890 master card1937 tape1945 1890 Electrician 4 July 235/1 The key-board no longer gives direct electric contacts, but produces mechanically a perforated tape on which the signs are represented by holes at their respective places. 1964 N. N. Biswas Princ. Telegr. iv. 93 Transmission on the line may be made either from the keyboard or by a perforated tape on the tape transmitter. 1991 Electronics World & Wireless World (BNC) Sept. 781 If a transmitter operates at 6m of perforated tape/min and there are ten centre holes per 2.54cm of tape, this would amount to 40 centre holes per second. < as lemmas |
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