例句與造句

1. then based on information theory, we discuss the security of informatin hiding system, including the security of plain messages, secure messages and host images
   基于信息論描述了圖象信息隱藏及其攻擊過程，提出三類典型的理論安全性，即明信安全性、密信安全性和宿主圖象的安全性。
2. It's difficult to find plain message in a sentence. 用plain message造句挺難的