| 单词 | power supply |
| 释义 | > as lemmaspower supply power supply n. a supply of power; spec. (a) a mains electricity supply; (b) a device or arrangement for converting a supply from the mains into a low-voltage direct-current form suitable for a valve or transistor. ΚΠ 1887 Science 28 Oct. 209/1 This valuable property..is really managed by the department of physics in all except its power-supply. 1962 J. H. Simpson & R. S. Richards Physical Princ. Junction Transistors xv. 370 A collector decoupling filter, in which a resistor of value R is placed between the collector bias resistor and the power supply. 1996 D. Burrluck & J. Seabury in P. Trynka Rock Hardware 14/2 The rectifier tube(s) in the power supply added a forgiving quality by ‘sagging’ when the amplifier was pushed hard. 1996 Independent 13 Mar. 1/4 The solar mower uses no fossil fuels and no mains power supply. < as lemmas |
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