authenticadj.真正的；真实的；可信的；可靠的authentication device鉴权器Authentic mathematics真实的数学authentication system(文电)鉴别制度,用于鉴别的密码authentication center验证中心authentication method认证方法authentic evidentness确然明见性authenticationmanager认证管理器authentication option认证选项Authenticating method鉴定方法Authentication target认证指标

1. It is an authentic work of Qi Baishi.
   这是齐白石的真迹。
2. They managed to get the authentic painting by a famous painter off the wall.
   他们设法将那幅著名画家的真迹从墙上弄了下来。