英语词汇“field-emission tube”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	field-emission tube
释义	field-emission tube field-emission tube [′fēld ə¦mish·ən ‚tüb] (electronics) A vacuum tube within which field emission is obtained from a sharp metal point; must be more highly evacuated than an ordinary vacuum tube to prevent contamination of the point.
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