照相材料 meaning in English

photo su lies
photo supplies
photographic material

The non-linearity of the curve in this region of low exposure gives rise to problems in the calibration of photographic materials .
在低曝光量区域，曲线的非线性将给照相材料的定标带来一些问题。
Photography - pre - packaged chemicals for the processing of silver halide based photographic materials - vocabulary
摄影技术.卤化银基照相材料冲洗用预包装化学制品.词汇