构成透视潜影的图案和基底图案统一设计，并通过雕刻凹印印刷方式一次性同时印刷而与载体附着在一起。
A pattern forming the perspective latent image and the base pattern are unified designed and printed simultaneously in one time to adhere with the carrier via the engraving gravure printing mode.
而这类印刷机的成像速度不见得比单张纸的快，但因其可以采用两个印刷引擎，同时印刷卷筒纸的双面，所以效率更高。
These engines are not imaging any faster than the sheet fed engines in fact they are slower but use two print engines printing both sides of the web concurrently.
他在印刷厂工作，同时是个博物学爱好者。
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