It is very doubtful if any single fingerprint will ever be exactly duplicated by any finger other than the one which originally made it. 埃德加·赖斯·巴勒斯.人猿泰山.
The perforated strips were prepared in thirty minutes by ten persons, and duplicated by nine copyists. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
You can find Tammany duplicated wherever there is a social group to be governed--in trade unions, in clubs, in boys' gangs, in the Four Hundred, in the Socialist Party. 沃尔特·李普曼.政治序论.
By this process a letter, postal card, drawing, or other manuscript can be duplicated from sixty to one hundred times from one original. 威廉K.戴维.智者、化学家和伟大医生的秘密.
The letter or sketch to be duplicated is written on a sheet of paper with ink specially prepared for the purpose (see inks). 威廉K.戴维.智者、化学家和伟大医生的秘密.
The points of light, so duplicated, would thus form the image of the object. 佚名.神奇的知识之书.