The NOAA is monitoring these zones; it is easier to test for low oxygen levels than to find the oil plumes far below the surface.

NOAA 正在监测这些区域，比起寻找表面下油雾，测试低氧水平相对容易。

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Studying the air flow around soccer balls is a natural extension of McKeon's research, in which she and her colleagues study how surface roughness affects air flow, using spheres as test models.

研究足球周围的气流是麦凯恩课题的一个自然延伸——她和她的学生正在研究粗糙表面对气流的影响，而足球课作为球体的测试模型。

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If the server started properly, use the Web-based, integrated, Universal Test Client, which will automatically surface for you, to create an instance of the HelloWorldSession.

如果服务器已正常地启动，请使用基于Web的、集成的通用测试客户机(它将自动出现)来创建HelloWorldSession的实例。

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The buoys also contain weather-sensing devices that test for surface temperatures, subsurface temperatures, wind speed, and other indications of changing weather.

CNN: La Nina spawns extreme weather

The severity of the laboratory test was equivalent to an oblique collision with the rocky surface of the Earth - a comet coming in at an angle of less than 25 degrees from the horizon, rather than head on (perpendicular to the Earth's surface).

BBC: Comets could have seeded life on Earth

Since Russia and the U.S. signed a partial test-ban treaty in 1963, their blasts have been deep below the earth's surface.

CNN: ASIANOW - Asiaweek