名词真空管,电子管
1. 真空管:electron microscope 电子显微镜 | electron tube 真空管 | electron 电子
2. electron tube什么意思
2. 电子管=>電子管:electron trap ==> 电子陷阱 | electron tube ==> 电子管=>電子管 | electron tube power amplifier ==> 电子管功率放大器
noun
1. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Synonym: tubevacuum tubethermionic vacuum tubethermionic tubethermionic valve