| 单词 |
LED |
| 释义 |
LED|ɛliːˈdiː|
Also l.e.d., led |lɛd|.
[Abbrev.]
A light-emitting diode: a semiconductor diode that emits light when a voltage is suitably applied.
1968Electronics World Jan. 36/1 Today, the LED is making possible vast improvements upon circuits that seem to have no obvious connection with photoelectric operations. 1971New Scientist 1 Apr. 26/3 LEDs have not caught on to any great extent because they cost a great deal more. 1975Hi-Fi Answers Feb. 78/2 The light pulses from the led are picked up by a photo⁓conductive cell and applied to the filter. 1976Pract. Electronics Oct. 810 (caption) Block diagram of the system using two separate l.e.d. displays. 1978Pasachoff & Kutner University Astron. ix. 271 Gallium production..is used in many solid state devices including the light-emitting diodes (LED's) that form the digits on most pocket calculators and digital watches. 1982What's New in Computing Nov. 19/2 The logger can be programmed to these levels, indicating on a led display which channel is giving a fault condition signal. 1984What Video? Aug. 21/2 It has an LED recording level meter. |
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