| 单词 | cathode |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Crookes tube〕A low-pressure discharge tube used to study the properties of cathode rays.克鲁克斯放电管：一种用来研究阳极射线性质的低压放电管美国传统〔camera〕The part of a television transmitting apparatus that receives the primary image on a light-sensitive cathode tube and transforms it into electrical impulses.电视摄像机：电视发射装置的一部分，其在光敏阴极管上接受原始图象，并将之转化为电脉冲美国传统〔cathode ray〕A stream of electrons emitted by the cathode in electrical discharge tubes.阴极射线：电子发射管的阴极放出的电子流美国传统〔diode〕An electron tube having a cathode and an anode.电子二极管：有一个阳极和一个阴极的电子管美国传统〔filament〕Electronics A high-resistance wire or ribbon forming the cathode in some thermionic tubes.【电子学】 丝极：在一些电子管中形成阴极的高电阻的金属丝或金属带美国传统〔ignitron〕A single-anode, mercury-vapor rectifier in which current passes as an arc between the anode and a mercury-pool cathode, used in power rectification.引燃管：用于调整电力的单阳极，汞气调节器，电流以电弧的形式流动于阳极和水银液体的阴极之间美国传统〔phototube〕An electron tube with a photosensitive cathode.光电管：具有感光的阴极电子管美国传统〔strobotron〕A gas-filled cathode tube that produces bright flashes of light for a stroboscope.频闪放电管：充有气体的阴极管，能为频闪观察器产生强烈的闪光美国传统〔tetrode〕A four-element electron tube containing an anode, a cathode, a control grid, and an additional electrode.四极管：包括一个阳板，一个阳极，一个控制棒和一个附加电极的四元素电子管美国传统〔triode〕A highly evacuated electron tube containing an anode, a cathode, and a control grid.三极管：带有阳极、阴极和控制栅极的高真空的电子管美国传统A black wire is often attached to the cathode which is also marked with the negative sign (_).阴极上常常接黑线，标着表示负极的符号(_)。剑桥国际 |
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