词爹双语阅读：识别人的行踪Science and technology
科学技术
Biometrics
计量测定学
Clocking people's clocks
识别人们的行踪
Facial-recognition systems are getting better
面部识别系统愈发完善
WITH some pride, the FBI trumpeted the news last month that thanks to the agency's facial-recognition system Neil Stammer, wanted for sexual assault and kidnapping, had been apprehended in Nepal after being on the run for 14 years. The truth was slightly more prosaic. A State Department official had used the FBI's “Wanted” posters in a test for passport fraud. T