I remember perfectly the first time I sat at a keyboard – at a “line printing” terminal, which had an endless sheet of paper spooling through it – to play a game of “Star Trek”.

我记得特别清楚：那时我第一次坐到键盘前—在一个有无数张纸出来的“线性印刷”终端—-玩一个“星球旅行”（星际旅行是一个美国科幻小说系列以及相关的娱乐产品如电视剧，电脑游戏等等，距今已有四十年的历史）的游戏。

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In addition to the white kraft paper, kraft paper, general color is deep, therefore, more suitable for text and line printing, dark, can also design some strong contrast color.

除白色牛皮纸外，一般牛皮纸底色较深，因此，比较适宜印刷深色的文字与线条，也可设计一些对比强烈的色块。

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When the pressure of creases and folds require the use of a pattern of printing system, because of indentation line will make translucent paper when in the fold.

压折痕和折页时要求使用一个模式纸型系统，因为硬的压痕线会使半透明纸在折页时产生裂痕。

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