cold cathode

名词 n.
中文释义

英文释义

名词 n.
  1. A type of cathode that does not use a heating element to produce emission of cathode rays (electrons), beyond base thermionic emission (usually by field electron emission, secondary emission, or photoelectric emission).
    — On the open portions of the platforms the loudspeakers are installed on the cold cathode lighting columns.

词形变化

cold cathodes plural cold-cathode alternative
0 次浏览 数据来源: Wiktionary