照相材料 photographic material
photographic materials
- 适用于在海水和其它截止中,主要作耐点蚀材料,照相、食品工业、沿海地区设施、绳索、CD杆、螺栓、螺母。
Suitable for seawater and other medium applications,mainly used as pit corrosion resistant materrial to produce equip ment for photographic and food industries,and the inst-allations,rope,CD rod,bolts and nuts along the sea coast. - 感光材料、数字照相机都是照相器材。
Light sensitive materials and digital cameras are all photography appliance. - 介绍了种子形态学研究方法,其内容包括材料选择、形态描述、照相等。
Research methods are suggested, including the selection of materials, the description of morphology, and the skill of photograph.