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Prof. Pang plays chess against his rival Prof. Shou. They are the only two players in the game. The chessboard is very large and can be viewed as a 2D 阅读全文
posted @ 2021-05-12 23:31
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With the rapid development of society, the demand for high-precision clocks is constantly rising. Recently, the China Clock Production Company is deve 阅读全文
posted @ 2021-05-12 17:02
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While we enjoy chatting with friends on the internet, it is always annoying that we are overwhelmed by lots of messages in various chat groups. A grea 阅读全文
posted @ 2021-05-12 00:59
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