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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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文档中介绍了常用的数学软件，可能好多你都没有了解，不妨去试试吧，可能很大程度上简化您现有的工作。...
文档中介绍了常用的数学软件，可能好多你都没有了解，不妨去试试吧，可能很大程度上简化您现有的工作。-Introduce a document commonly used mathematical software, may be a lot of you do not understand it, may wish to give it a try, may be simplified to a large extent your existing work.
- 2022-08-20 10:45:34下载
- 积分：1
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c++bulider参考手册源码
c++bulider参考手册源码-c bulider reference manual FOSS
- 2022-01-25 23:30:55下载
- 积分：1
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Ant Algorithm for Solving TSP problems who wish to be helpful to Mathematical Mo...
蚂蚁算法 求解TSP问题 希望对数学建模者有所帮助-Ant Algorithm for Solving TSP problems who wish to be helpful to Mathematical Modeling
- 2022-12-03 06:10:03下载
- 积分：1
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javaScript参考手册，很全的。
javaScript参考手册，很全的。-javaScript reference manual, very entire.
- 2022-05-22 10:33:42下载
- 积分：1
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Courseware on the wavelet theory, wavelet theory about the development of
关于小波理论的课件，介绍有关小波理论的发展-Courseware on the wavelet theory, wavelet theory about the development of
- 2022-09-21 20:15:03下载
- 积分：1
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基于隐马尔科夫HMM的语音识别算法和聚类
基于隐马尔科夫HMM的语音识别算法和聚类-Based on Hidden Markov HMM speech recognition algorithm and clustering
- 2022-10-06 08:30:03下载
- 积分：1
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主要讲解uCLinux的简介，开发过程、开发环境的建立、应用程序设计、驱动程序设计等。...
主要讲解uCLinux的简介，开发过程、开发环境的建立、应用程序设计、驱动程序设计等。-mainly on uCLinux briefings development process, the establishment of the development environment and application design, Driver design.
- 2022-02-13 11:31:28下载
- 积分：1
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we look at we look at we look at we look at we look at we look at we look at
我们看着我们看着我们看着我们看着我们看着我们看着我们看着我们看着
- 2022-03-28 10:24:35下载
- 积分：1
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Manual for the LCD_1602 book, which details the use of 1602, and the development...
此书为LCD_1602的说明书，里面详细介绍了1602的使用方法，和开发注意事项等。-Manual for the LCD_1602 book, which details the use of 1602, and the development of attention to matters such as
- 2022-06-19 19:00:50下载
- 积分：1
