Zu Chongzhi was one of the greatest mathematicians in ancient China.

祖冲之是中国古代最伟大的数学家之一。

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Busy database, and then later Chongzhi, thank you!

数据库忙，请稍后再冲值，谢谢！

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You enter the Chongzhi card number or password is incorrect.

您输入的冲值卡号或密码有误。

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