网络释义
1)photographic plate,照相底片2)photogyration,照相底片3)photoplate,照相底片4)negative,(照相)底片5)photographic density,照相底片密度6)photographic-plate detection,照相底片探测7)photographic film,胶片，照相底片8)photographic plate,照相底片，感光片9)color photographic film,彩色照相底片10)digitization of astronomical photographic plate,天文照相底片的数字化
