英语词汇“θ78461”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	θ78461
释义	the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > thermionic valve > [noun] (80) tube1859 In specific applications usually indicated by context. Electronics. A sealed container, evacuated or gas-filled, containing two or more electrodes… valve1905 Electronics. = thermionic valve at thermionic, adj. thermionic valve1909 Of, pertaining to, or employing electrons emitted from an incandescent surface; thermionic valve, an electronic device consisting of an evacuated… bottle1940 colloquial. A thermionic valve. Now historical. Subcategories: — study of (1) — specific quality of (2) — seal at base of (1) — outside covering of (1) — filament (2) — device used for indirect heating of (2) — grid (12) — anode of valve (8) — fluctuation in anode current (12) — specific valve parameter (1) — specific condition of valve (2) — other specific effects (3) — amplification factor of valve (1) — vacuum tube or thermionic valve (28)
随便看	let something walk let stand let take one's back hair down let take one's hair down let that fly stick in the wall let that fly stick to the wall let the buyer beware let the cat out of the bag let the chips fall where they may let the cobbler stick to his last let the dog see the rabbit let the genie out of the bottle let the good times roll let the grass grow under one's feet let the grass grow under one's heels let the hardest come to the hardest let the side down let the sun go down on let the sun go down on someone let the sun go down on something let the sun go set on let the sun go set on someone let the sun go set on something let the sun shine through let the sun shine through oneself

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