photographic material [感光] 照相材料 ; 摄影材料 ; 照相感光材料
complex photographic material 复合感光材料
direct-positive photographic material 直接正摄材料 ; 直接
diazo photographic material 重氮感光材料
image-transfer photographic material 影像转移感光材料
silver halide photographic material 卤化银感光材料
aerial photographic material 航空摄影资料
undeveloped photographic material 未经冲印之摄影用品
photographic material auxiliary layer [感光] 摄影辅助层
Photographic evidence settles the debate over the nature of the white material seen in photographs sent back by the craft.
航天器传回的照片上有白色的物质，摄影证据终结了关于这种物质究竟是何种自然物的争论。
The fish collagen has special application in the photographic negative, the biological material and food industry.
鱼胶原蛋白在照相底片，生物材料和食品行业有特殊的应用。
The process is very simple. First, a photographic plate is coated with a light sensitive material.
这个过程非常简单，首先，把照相底片用感光材料包裹起来。
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