照相底片 meaning in Chinese

exposure
photographic film
photographic negative
photographic plate
photogyration
photoplate

Why would a man take a can of photographic negatives on a fishing trip ?
为什么一个出海的钓鱼人要随身携带一筒照相底片呢？
In photographic photometry we use photographic plates of a certain region of the sky to determine the coordinates of the stars .
在照相测光中，我们利用所拍摄的天空某一区域的照相底片来测定恒星的坐标。
The development of photographic films requires a dark - room
冲洗照相底片需要暗室。
The measurement of the sensitive character of astronomical photographic plate
天文照相底片感光特性的测量研究
In photography , the essential light sensitive coating on ph otographic film comprising gelatine and silver salts
在照相技术中，覆盖在照相底片上的由胶和银盐组成的感光物质。