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标题: 克里斯·巴拉尼克, 你不知道的英镑纸币防伪密码 [打印本页]

作者: choi 时间: 7-7-2015 09:02
标题: 克里斯·巴拉尼克, 你不知道的英镑纸币防伪密码
BBC Chinese, July 7, 2015
http://www.bbc.com/ukchina/simp/ ... t_british_banknotes

, which is translated from

The Secret Codes of British Banknotes; How often have you looked at the cash in your wallet? Look closer: it’s riddled with hidden patterns designed to deter counterfeiters. Chris Baraniuk investigates.www.bbc.com/future/story/2015062 ... -british-banknotes. BBC Chinese, June 25, 2015
http://www.bbc.com/future/story/ ... f-british-banknotes
("The precise means by which copiers and scanners recognise the pattern remain a mystery")

My comment: Only read excerpts in the windows of print (in the English original).

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