lightn.光；光线；灯；打火机；领悟；浅色；天窗adj.轻的；浅色的；明亮的；轻松的；容易的；清淡的v.点燃；变亮；照亮adv.清楚地；轻便地light tightadj.不透光的(防光的)

1. In the process of developing a photo, a latent image can only come out when the photosensitive material is developed.
   在冲洗相片过程中，感光材料经显影处理后才会出现潜影。
2. Emphaticly, the technique of matting agent and the palymer as matting agent were introduced, so as to increase the antiadhensive property of the photo-sensitive material.
   本文介绍了国内外防粘连技术的研究概况，综述了用于感光材料防粘连的各种技术，重点讨论了毛面剂技术及作为毛面剂的聚合物类型，功能和溶解性。