iris scanning

1. Iris scanning, on the other hand, works from a distance.
   虹膜扫描则可以在一定的距离之外操作。
2. We already have iris and fingerprint scanning but noses could be an even better method of identification, says a study from the University of Bath, UK.
   我们已经掌握了瞳仁和指纹鉴定技术，而现在英国巴斯大学的一项研究表明，利用鼻子可能是一种更好的认证方法。
3. Identification can be made by retinal or iris scanning, fingerprints, or face recognition.
   身份确认有多种方式：视网膜、虹膜扫描，指纹或面孔识别。
4. The scheme aims to give everyone in the country a number and to be able to identify them through fingerprints and iris scanning, using remote systems that consult a central database over the Internet.
   该计划旨在分配给每个印度人一个号码，并利用能够联网查询中心数据库的远程系统，通过指纹和虹膜扫描识别出他们的身份。

noun

1. biometric identification by scanning the iris of the eye
   1. the structure of the iris is very distinctive