Goniophotometers配光测角光度计Goniometer + Photometer = Goniophotometer测角器+ 光度计= 配光测角光度计The word gonio () derives from the Greek meaning angle.测角（ ）这个词的来自希腊文的角度。A goniometer is an instrument that measures angles most accurately. Photometer derives from the Greek photon () = light and is an instrument that measures light. 配光测角光度计是一种最准确的角度测量仪器。光度计来自希腊的光（ ）=光，是一种光测量仪器。A goniophotometer therefore performs the measurement of the spatial distribution of a radiation sou
