在继续将这些技术重新分布到多台计算机之前，这里将介绍一个直接运行远程交互会话的技巧，而无需首先进行登录。

Before moving on to redistributing these techniques to multiple machines, there's a quick trick for running remote interactive sessions directly without having to log in first.

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计算机具有一个特别的挑战——虽然它们能够添加动画和交互，但它的信息分布密度比纸张低。

Computers present a particular challenge-although they can add motion and interactivity, computer displays have low information density compared to that of paper.

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系统采用分布式控制系统结构，将人机交互、数据采集等任务和控制任务分别交由测试计算机和控制计算机完成。

The system, which consists of a measure computer and a control computer, is established by the use of distributed control structure.

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