| 单词 | electron gun |
| 释义 | electron gun in British Englishnoun a heated cathode with an associated system of electrodes and coils for producing and focusing a beam of electrons, used esp in cathode-ray tubes electron gun in American English the part of an electron tube, esp. a cathode-ray tube, that emits, accelerates, and controls a beam of electrons electron gun in Electrical Engineering (ɪlɛktrɒn gʌn) Word forms: (regular plural) electron guns noun (Electrical engineering: Instrumentation, measuring, and testing) electronAn electron gun is the source of electrons in a cathode ray tube. An electron gun consists of a cathode emitter of electrons, an anode with an aperture through whichthe beam of electrons can pass, and one or more focusing and control electrodes. An electron gun is an electrical component that produces an electron beam that has a precise kineticenergy and is most often used in televisions and monitors which use cathode ray tubetechnology. An electron gun is the source of electrons in a cathode ray tube. |
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