photographic de itometer photographic densitometer
Related Translations:
摄影: 1.(照相) take a photograph; shoot 短语和例子摄影留念 take a photo as a moment; have a souvenir photograph taken; 航空摄影 aerial photography; 红外摄影 infrared photography; 从各种不同的角度给某人摄影 shoot sb. from vario