| 释义 |
vacuum tube
基本英英近义反义例句Thesaurus
n.真空管;电子管
气体
Noun:
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope近义词 lamp灯tube管子electron tube真空管thermionic tube物热离子管…thermionic valve物热离子管…thermionic vacuum tube热离子真空管…
用作名词Not any air gets into thevacuum tube.没有空气能进入真空管。
No vacuum or picture tubes were broken.真空管或显影管都未破碎。
In a radio tube there is a source of electrons.在电子管中，有一个电子发射源。
A tube or a transistor can amplify an incoming signal.电子管和晶体管能放大输入的信号。noun.electronic device
同义词 VT,electron tube,thermionic tube |