Angry swarms of bees ranging in the millions closed down part of Interstate 15 Sunday after a semi hauling the bees rolled on the freeway, CBS News affiliate KUTV-TV reported.

据CBS新闻下属的KUTV报道，周日，蜜蜂从出事的半挂车中逃出，一度造成公路关闭。

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First, semi ring of fractions of a semi ring about a multiplicative closed subset in it is constructed.

先构造交换半环关于其乘法封闭子集的分式半环；

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In order to understand the mechanism of smoldering of polyurethane foam in a semi-closed space, experiments are conducted with horizontally-oriented polyurethane foam.

为了了解在半封闭空间中阴燃的机制，对水平放置在实验体中的聚氨酯泡沫进行了阴燃实验研究。

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They also wrote in a semi-closed system that required an imprimatur of worthiness to enter.

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That growth relied on a state-led development model, financed with foreign debt within a semi-closed economy.

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During his semi-annual testimony on July 19, 2007, the Dow closed just half a percentage point higher.

FORBES: The Ben Bernanke Show