polar wind

基本解释

Because BeiJing have many Olympic instrument used green-energy, such as Polar power and Wind power Electricity!
因为北京奥运会有很多奥运设施，比如很多用太阳能和风力发电，都是绿色能源！
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Based on the characteristics of wind loads and modal shape of grandstand arc roofs of large stadiums, a polar coordinate method for wind induced dynamic response analysis is proposed in this paper.
根据体育场主看台弧形挑篷的风荷载和振型函数特点，提出并建立了极坐标下计算主看台弧形挑篷风致振动响应的方法。
They also found evidence that wind gusts in the northern polar region are strong enough to move grains of sand.
他们也发现北极地区的阵风有足够力量移动沙丘的证据。