使用平板印刷机、办公室打印机或者复印机是不可能复制或形成这些特征的。

This feature is impossible to duplicate or produce using a letter press, an office printer, or a copying machine (see Figure 1).

youdao

纸版，（2）原版样：（1）复印机或小型柯式机用的印版。（2）作复制用的原版磁带，磁带，菲林等。

Master: (1) A plate for a duplicating machine or small offset machine. (2) Original tape, disc, film, etc from which copies will be made.

youdao