The prairieslie in the eastern rain shadow of the Rocky Mountains. Almost all theirrivers flow eastward from the Rockies.

大草原坐落在落基山脉的东部雨影区，其上河流几乎全部发源自落基。

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Shadow technology and a high-speed camera are combined to investigate the flow field evolvement.

采用了阴影技术和高速摄影相结合的方法，对激光推进流场演化过程进行了考察。

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A simple and effective method of shadow removal is put forward to increase the accuracy of traffic flow parameters detection.

同时提出了一种简单而有效的阴影消除算法以提高交通流参数检测的准确度。

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Naturally, it is important that such steps do not smack of "capital controls" or other draconian measures that could cast a shadow over our common desire to preserve the free flow of private capital into and out of the United States.

CENTERFORSECURITYPOLICY: Center For Security Policy