However, during the period of circulation use of scrap steel, it causes the content increase unceasingly of the low melting point metallic elements such as Pb in the steel.

但在废钢的循环使用过程中，不可避免地将铅等低熔点金属带入到炼钢炉中。

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This article offers an analysis of the seasonal changes of the IPO market in China with the conclusion that there truly exists a peak period of circulation in Chinas stock market.

文章对中国IPO市场的季节性现象进行分析，得出了中国证券市场现实存在发行旺季现象的结论，并对相关的后续研究作了初步展望。

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Years in the making, a complex new set of rules for measuring newspaper circulation officially launched with the release today of results for the six-month period that ended March 31.

制定一套新的复杂的评定报纸发行量的规则，发布规则并公布六个月试用期的实行结果的过程历经了数年，终于在3月31日结束了。

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Many of the worst problems will hit retailers, who in some countries will be in the thick of the January sales, the period when shops are busiest and the amount of money in circulation is largest (see article).

ECONOMIST: Unready for blast-off | The

Such tree-ring records, along with other so-called proxy archives, can provide a wealth of information about volcanic events and their varying impacts around the globe because of resulting shifts in atmospheric circulation and other climate changes, dating for centuries prior to the period of instrumental record.

CNN: How volcanoes can change the world

The daily circulation of the Post surpassed the News for the first time during the previous six-month period.

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