相关题目
1、【第590题-判断】下列表述是否正确:Intaglio printing can be of different colours. ()
1、【第589题-判断】下列表述是否正确:Burn marks on the paper substrate can often be identified as laser perforation. ()
1、【第588题-判断】下列表述是否正确:Photo substitution can often be identified by the different integration techniques of the photo and personal data . ()
1、【第587题-判断】下列表述是否正确:Security fibres can be used to identify counterfeit documents. ()
1、【第586题-判断】下列表述是否正确:Industrial printing techniques include laser engraving, laser printing and laser perforation. ()
1、【第585题-判断】下列表述是否正确:Laser printing is a personal information integration technique. ()
1、【第584题-判断】下列表述是否正确:Laser perforation is an issuing technique. ()
1、【第583题-判断】下列表述是否正确:Letterpress is one of the desktop printing processes. ()
1、【第582题-判断】下列表述是否正确:Metameric ink can be observed as the same colour under reflected light. ()
1、【第581题-判断】下列表述是否正确:Shadow watermark can be slightly observed under side light. ()
