The National Meteorological Center issued an orange alert, saying snow and sleet will sweep across central, eastern and southern regions from Friday night through Saturday.

中央气象台发布暴雪橙色预警，预计周五晚到周六我国中部、东部、南部地区将有新一轮强降雪。

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The center of the sphere at the start of the sweep.

在扫描起点的球体中心点。

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The bridge's curved overhead girders are higher in the center of the bridge but sweep lower toward a driver's right side.

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