telephotometer

/tel-uh-foh-tom-i-ter/US // ˌtɛl ə foʊˈtɒm ɪ tər //

远距摄影机,远距摄影仪,远距照相术,远距离照相术

Definitions

n.名词 noun

1
- : an instrument for measuring the amount of light emanating from a distant object.