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1.Web Authentication has become an official standard for logging in at the main Internet standards body.
log in 登录
Customers pay to log on and gossip with other users.
顾客们花钱登录，与其他用户闲聊。
2....biometrics such as fingerprints and facial recognition or USB security keys.
facial recognition 面部识别
Facial recognition programs are used in police and security operations.
面部识别计划将用于警方和安全任务之中。
