The pollutants in the first runoff were in the form of adsorbing on the solid particles.

初期径流中的污染物主要依附于固体颗粒物上存在。

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The first election was close, but Boris won the runoff handily, after a vigorous campaign across all his country’s eleven time zones that included American-style campaign events and TV ads.

他在全国11个时区展开了猛烈的竞选攻势，其中也包括美国式的竞选活动和电视宣传广告。

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The "pond" is a depression which gathers the runoff from its immediate environs after the plentiful first rains about the time of the beginning of the school year.

所谓的“池塘”是一处洼地，大约在学年开始时，第一场大雨之后，它就开始从周围收集雨水。

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He said he has a commitment from the Afghan election commission that officials involved in fraud during the first round will not be hired for the runoff.

VOA: standard.2009.10.23

If no presidential candidate wins a majority of the vote in the first round, a runoff will be held later this month.

CNN: STORY HIGHLIGHTS

Meanwhile, the provincial totals showed "big shifts" toward Ahmadinejad compared with 2005, when he came in second in the first round of voting and won office in a runoff, Silver said.

CNN: Analysts pore over 'ambiguous' Iran results

The vote was a runoff between the two top finishers of the first round of elections in April.

CNN: French President-elect Hollande casts doubt on austerity