Results show that the variation method is a efficient way to retrieve 3-d wind field data from Doppler radar data.

分析结果表明，变分法是一种较为准确的从雷达资料中提取三维风场的方法。

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At the base of the machine, where you'd normally retrieve your can of Coke or your bag of pretzels, Mehdizadeh holds a palm-sized green box with a snap closure, containing the Nutrition Health Center's business card and, of course, the dope.

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D. student who traveled hundreds of miles by snowmobile to help retrieve some of the seismographs and the reams of data they recorded.

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If you have ever had to retrieve one of these things with a winch, you know, you'd really rather not.

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