The paper discusses the hydraulic schematic CAD means which can use computer mouse to map out hydraulic element graph block to lap the hydraulic system.

系统论述了液压原理图的CAD方法，实现了通过计算机鼠标绘制液压元件图形块进行液压系统原理图的搭接。

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Guido uses the case, much of which has been made public, to recreate the exploit, having students map out step by step how the hacker was able to access a desktop computer and infiltrate the company's network.

WSJ: NYC students, hackers train for cybersecurity jobs