| 单词 | writing speed |
| 释义 | > as lemmaswriting speed writing speed n. now chiefly historical (a) Electronics the maximum speed at which an electron beam can scan the screen of a cathode-ray tube and its path still be recorded (either by the excitation of phosphors or as an image on photographic film); (b) (in audio and video tape recording) the effective speed of the tape past a head when the rotation of the head is taken into account. ΘΚΠ society > communication > record > recording or reproducing sound or visual material > production or use of video recording > [noun] > video recorder or player > speed of videotape past head writing speed1932 the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > cathode-ray tube > [noun] > cathode ray > maximum speed of writing speed1932 1932 Jrnl. Inst. Electr. Engineers 71 71/2 I should like to say that for us the distinguishing and only valuable characteristic associated with oscillographs is their maximum writing speed. 1960 Philips Techn. Rev. 4 Nov. 1/1 If the recording head is stationary, as it always is in sound recording, the writing speed is the linear speed of the tape past the head. 1981 I. Hickman Oscilloscopes vii. 95 Writing speed is defined as the maximum speed at which a spot, passing once across the tube face, can be photographed under specified conditions. 1984 What Video? Aug. 24/1 The soundtrack was being recorded at a writing speed of 580 cm per second—that's over 15 times the speed of professional studio recordings. 1998 G. R. Capelo & R. C. Brenner VCR Troubleshooting & Repair (ed. 3) 129/1 This head-to-tape relationship is called writing speed. < as lemmas |
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