即便当库兹韦尔将历史向后延伸至晶体管计算技术还未出现的上世纪初——即使用继电器和真空管的几十年间时，曲线依然表现出令人惊异的稳定性。
The curves held eerily steady, even when Kurzweil extended his backward through the decades of pretransistor computing technologies like relays and vacuum tubes, all the way back to 1900.
计算机科学家哈里·波特(Harry Porter)博士用继电器制作了一台八位机。继电器是一种电子开关，是比Magic - 1用的晶体管更加简单的元器件。
Computer scientist Dr Harry Porter built his 8-bit machine from relays - electronic switches that are even simpler than the transistors used in Magic-1.
由单片计算机控制的计数器自动产生通1秒停4秒的信号，使5路继电器输出带动电喇叭轮流通电。
By single chip computer control of counter automatically generate tong 1 second stop 4 seconds of signal, make no. 5 relay output drive electric horn turns electrify.
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