This paper analyses reason for flame swinging in high-altitude nozzle with the ratio of large area tested under the ground atmosphere, and describes the mechanism of unsymmetrical separation.

本文分析了高空大面积比喷管在地面试验时喷管内出现火焰偏摆的原因，叙述了喷管内气流不对称分离的机理。

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Numerous deaths among chickens in the area have been reported and samples taken from sick chickens have tested positive for avian influenza.

已报道该地区发生许多鸡的死亡，从病鸡采集的样本已检测为禽流感阳性。

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If a software area doesn't have defects logged against it, it could mean that this area is extremely solid or that it hasn't been tested.

如果一个软件区域没有被记录缺点，它可能意味着这个区域是十分有效的或者它还没有被测试。

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In addition, NOAA said fish caught in the area and tested by NOAA experts have shown no signs of contamination.

CNN: STORY HIGHLIGHTS

With funding from two foundations, a team has regularly tested area water for more than a year.

NPR: Cause Of Off-Color, Fetid Water Eludes Pa. Town

Nearly half of the 90 beverages from soda fountain machines in one area in Virginia tested positive for coliform bacteria -- which could indicate possible fecal contamination, according to a study published in the January issue of International Journal of Food Microbiology.

CNN: Soda fountains contained fecal bacteria, study found