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计算机技术的第一次出现在美国的1…
One of the first occurrences of computer technology occurred in the USA in the 1880s. It
was due to the American Constitution demanding that a survey is undertaken every 10 years.
As the population in the USA increased, it took an increasing amount of time to produce the
statistics. By the 1880s, it looked likely that the 1880 survey would not be complete until
1890. To overcome this, Herman Hollerith (who worked for the Government) devised a machine
which accepted punch cards with information on them. These cards allowed a current
to pass through a hole when there was a hole present.
- 2022-02-20 02:14:45下载
- 积分：1
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DVB MHP 标准（英文版）以及 mpeg2 标准（中、英文版）
DVB MHP 标准（英文版）以及 mpeg2 标准（中、英文版）-DVB MHP Standard (English version) and mpeg2 standard (Chinese and English)
- 2022-08-25 20:21:50下载
- 积分：1
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DSP开发环境CCS实用指南，讲解的很详细，
推荐下载
DSP开发环境CCS实用指南，讲解的很详细，
推荐下载 -DSP development environment CCS practical guide on the very detailed recommendation Download
- 2022-03-16 09:41:38下载
- 积分：1
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应用CAN总线的横机分层递阶控制系统的pdf文档
应用CAN总线的横机分层递阶控制系统的pdf文档-Application of CAN-bus knitting machine hierarchical control system pdf document
- 2022-06-18 19:49:28下载
- 积分：1
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c语言学习的教程，章节讲解详细，适合初学者学习
c语言学习的教程，章节讲解详细，适合初学者学习-c language learning tutorial, a detailed chapter on, suitable for beginners to learn
- 2022-03-24 11:37:26下载
- 积分：1
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C#教程，最新的一款C#编程
C#教程，最新的一款C#编程-C# course, most new section C# programs
- 2022-08-25 08:51:49下载
- 积分：1
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编程Erlang
erlang编程入门,英文版 并行计算很好的脚本语言-programing for erlang
- 2022-03-03 19:51:16下载
- 积分：1
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2005年最新c 宝典C 号称“2005年最新C++经典之作” 大家可以看看了...
2005年最新c 宝典C 号称“2005年最新C++经典之作” 大家可以看看了-2005 c latest book C is known as "the latest C 2005 masterpiece" We can look at the
- 2022-02-01 10:02:40下载
- 积分：1
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章立民－visual stadio 2005 c＃编程技巧
章立民－visual stadio 2005 c＃编程技巧-Zhang Li-min-visual stadio 2005 c# programming skills
- 2022-02-15 22:36:25下载
- 积分：1
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< 网页设计配色常识>>有很多网页配色方案,是做网站设计朋友们的宝典....
< 网页设计配色常识>>有很多网页配色方案,是做网站设计朋友们的宝典.-lt; Lt; Web design knowledge gt matching; Gt; Many website color schemes, is doing web design friends of the book.
- 2022-07-11 22:28:04下载
- 积分：1
