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

为了纪念祖，一些数学家建议称圆周率为“祖率”。

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Zu was an inventor, too.

祖也是个发明家。

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Government officials at that time did not agree with Zu.

当时的政府官员不同意祖的观点。

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They say, "in what direction?" He says, "auf mich zu direct."

他们问,"向哪个方向",他答道,"就冲着我过来了"

耶鲁公开课 - 古希腊历史简介课程节选

But any hostile intent is rejected by Sha Zu Kang, China's ambassador to the United Nations in Geneva.

BBC: NEWS | Programmes | Analysis | What China Wants

Karl-Theodor zu Guttenberg, an aristocrat who lives in a Bavarian castle, admitted breaching standards but denied deliberately cheating.

BBC: German minister loses doctorate after plagiarism row

Foreign-policy making is increasingly influenced by younger pragmatists, says Karl-Theodor Freiherr zu Guttenberg, of the Christian Social Union.

ECONOMIST: German-American relations: Ready for a Bush hug? | The