基本释义:

正切暗点计屏

网络释义

1)tangent screen,正切暗点计屏

2)Bjerrum's screen,布耶鲁姆氏屏(正切暗点屏)

3)design in the hidden point,暗点设计

4)scotometer

[sk?'t?mit?],暗点计，暗点诊断计

5)scotomameter,暗点测量计

6)tangential focus,正切焦点