photocathode

英 [fəʊtəʊ'kæθəʊd] 美 [ˌfoʊtoʊ'kæθoʊd]

• n. 光电阴极

英英释义

Noun:

1. a cathode that emits electrons when illuminated

例句

用作名词 (n.)

1. The effect of the tube making Technique on the photoemissive property of the photocathode is described.
   主要论述制管工艺对光电阴极发射性能的影响。

词汇搭配

• continuous photocathode 密集光电阴极...
• alloy photocathode 合金光电阴极...