This paper introduces several methods to generate random Numbers and their advantages and shortcomings, and at last realizes the application of random Numbers in the field of "online lotting system".
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过去11年中的每一年，玉素夫都要去一家网吧，他在那里可以得到帮助，帮他在线填写抽签登记表格。
For each of the past 11 years, Yusuf has gone to an Internet cafe where he gets help filling out his online lottery registration form.
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