感光片，照相软片; 底版; 干板
1. 照像底片：photographic photometer 摄影光度计 | photographic plate 照像底片 | photographic radiometer 感光纸辐射计,照像纸式放射量计
2. 照相底片,感光片：photographic negative 照相底片 | photographic plate 照相底片,感光片 | photon 光
3. 照相底板,照相片：photographic photmetry 照相光度学 | photographic plate 照相底板,照相片 | photographic printing ** 印相纸
4. 照相底板：photographic photometry 照相测光学 | photographic plate 照相底板 | photographic telescope 天体照相机
noun
1. a flat sheet of metal or glass on which a photographic image can be recorded
Synonym: plate