在当今社会有许多特征被用于确认个人身份，如声音、掌形、人脸、指纹和人眼的视网膜等等。

There are many human biometric features that can be used to confirm the identity, such as voice, hand geometry, face, fingerprint and retinal pattern of eyes.

youdao

在当今社会有许多特征被用于确认个人身份，如声音、掌形、人脸、指纹和人眼的视网膜等等。

There are many human biometric features that can be used to confirm the identity, such as voice, hand geometry, face, fingerprint and retinal pattern of eyes.

youdao