为了纪念祖，一些数学家建议称圆周率为“祖率”。

In order to remember Zu, some mathematicians suggest calling pi "Zu Lv".

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元世祖率大军跨革囊及筏渡过金沙江，统一了云南。

Khan led his army to cross exposure and raft through the Jinsha River, unified Yunnan.

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正在这危急时刻，梅贤祖率着熊老八等人前来救援，黑木蛟大喜过望，许诺只要这次能活着回去一定跟梅贤祖拜把子。

Is this a crisis, MeiXian ZuLv old bear such as the eight people who come to the rescue, HeiMu Jiao overjoyed, promise as long as this can back alive to MeiXianZu BaiBaZi.

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正在这危急时刻，梅贤祖率着熊老八等人前来救援，黑木蛟大喜过望，许诺只要这次能活着回去一定跟梅贤祖拜把子。

Is this a crisis, MeiXian ZuLv old bear such as the eight people who come to the rescue, HeiMu Jiao overjoyed, promise as long as this can back alive to MeiXianZu BaiBaZi.

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