不能复原的 meaning in English

irrecoverable
irretrievable

" nevertheless , pdt is not a magic treatment and it cannot restore vision already permanently lost , " professor lam cautioned
林教授续称：可是，光动力疗法并不能创造奇迹，已死去的黄斑感光细胞是不能复原的。
" nevertheless , pdt is not a magic treatment and it cannot restore vision already permanently lost , " professor lam cautioned
林教授续称：可是，光动力疗法并不能创造奇迹，已死去的黄斑感光细胞是不能复原的。
" nevertheless , pdt is not a magic treatment and it cannot restore vision already permanently lost , " professor lam cautioned . " the drug is also relatively expensive
林教授续称：可是，光动力疗法并不能创造奇迹，已死去的黄斑感光细胞是不能复原的。
In some cases " canned " or customized programs may contain segments ( such as complex algorithms ) which are proprietary to their authors and which cannot normally be readily retrieved in program code without executing complex code breaking schemes
有时定做或个性化程序可以包括如下部分（比如复杂的运算法则），有版权的部分，不执行程序代码中的复杂编码来破坏流程，就不能复原的部分。