The invention provides a method and a rolling mill capable of preventing, at least reducing eccentricity and un-round properties of rolled pipes.

提供 一种方法和一种轧机，利用它们可以避免、至少可以减小轧制的管的偏 心和不圆性的产生。

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The UN Security Council approved a fourth round of sanctions against Iran over its nuclear programme.

联合国安理会批准了就核计划向伊朗的第四轮制裁。

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The final round of UN climate talks before this year's summit in Mexico, which begins at the end of November, has got under way in China.

今年定于十一月底召开的墨西哥峰会前的最后一轮连系国闲谈，已在中国拉开帷幕。

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The World Summit on the Information Society being organized by ITU in co-operation with UNESCO and other UN agencies in December this year, with a second round in 2005, will need to tackle head-on the problem of inequitable access to telecommunications and the handicap this poses for global development.

UNESCO: INTERVIEW

In talks with the UN secretary-general, Kofi Anan, a third round of which is slated for later this month, Iraqi negotiators have hinted, ever so slightly, that a return of weapons inspectors may be on the cards.

ECONOMIST: Sharpening sanctions

The vitriol stood out in the staid chambers of the UN, giving rise to another round of vigorous brow-furrowing among the gathered elites.

CENTERFORSECURITYPOLICY: True Fanatic