film damage meaning in English

模仿损坏、弄脏的胶片和老电影效果，非常好

This paper summarized several main research methods on this topic in our country , including " the determinant of laser - induced - damage of thin film by the scan of transmission and reflectance method " , " study of the phenomena on laser - induced thin film damage by photo - acoustic method " and " the measurement of damage threshold on optical thin film by diffusion method " , etc
本文总结了目前国内几种主要的研究方法，包括用透射反射扫描法检测光学薄膜的激光损伤，用光声法测定光学薄膜的破坏阈值，以及用散射法来测量光学薄膜的损伤阈值等。