Guided tours of the Bureau of Engraving and Printing are a popular activity for visitors to Washington,D.C.

VOA: special.2010.11.15

printf Well, notice I'm calling print F with percent C, and then I'm printing out each of these letters one at a time.

好的，请注意我用%c来调用，然后我打印出一个一个打印出这些字符。

哈佛公开课 - 计算机科学课程节选

With silkscreen printing, a stencil is attached to a fine piece of stretched silk or nylon cloth.

VOA: special.2009.09.02

The Bureau of Engraving and Printing identified a problem with creasing of the paper during printing.

VOA: special.2010.11.15

Finally,we come to a more modern form of printmaking called silkscreen printing.

VOA: special.2009.09.02