"Somebody had to move first — it might as well be B.C. — and then see how it plays out," Antweiler said.
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罗瓦蒂在建造中的“爱达·花城号”邮轮前。，更多细节参见下载安装汽水音乐
A modern jet has an array of sensors to help it contend with bad weather. Magnetometers track the plane’s direction; gyroscopes help calculate its pitch and roll; accelerometers detect its changes in speed; Doppler radar measures the distance to the storm and how quickly it’s moving. In the early nineties, Larry Cornman developed a program that could sift through some of that sensor data to measure the air’s turbulence in real time. Atmospheric scientists call this the “eddy dissipation rate,” or E.D.R. It’s usually scored between 0 and 1—calm to severe.。关于这个话题，91视频提供了深入分析