| 单词 | laser disc |
| 释义 | > as lemmaslaser disc laser disc n. a disc on which signals or data are recorded to be reproduced by directing a laser beam on to its surface and detecting the light reflected or transmitted by it. ΘΚΠ society > communication > record > recording or reproducing sound or visual material > [noun] > disc record1878 audio disc1944 CD1979 compact disc (also disk)1979 laser disc1980 CD-ROM1983 CD-i2009 1978 Electronics & Communications in Japan LXI. 97/1 The signal is read from the laser video disc by detecting either the transmitted or reflected light when a laser beam is incident at the recorded signal track.] 1980 C. S. French Computer Sci. vii. 32 Laser disc units. Development is going ahead on disc units which use optical methods requiring lasers. 1982 World Bk. Sci. Ann. 1983 131 Today's videodiscs differ radically..from one another. The most sophisticated is the optical disc, or laser disc. 1985 Sunday Times 20 Jan. 72/7 Laser disc technology is about to make the filing cabinet obsolete. < as lemmas |
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