wind force direction gage风力风向器
wind-direction shaft风向杆;风矢杆;风向标
Diagram wind-direction风向图
wind-direction indicator风向指示器
wind-direction influence风况影响
ascertaining main wind-direction主风向的确定
prevailing wind-direction effect index主风向效应指数
prevailing wind direction主导风向;[气象] 盛行风向
wind speed and direction风速与风向;风速风向风速与风向;风速和风向
The wind direction has no obvious interannual change,and they are almost the same in each year. Wind speed has a weak diminishing interannual trend.
风向没有明显的年际变化,每年各个方向出现的频率大致相同;风速有较弱逐年递减的年际变化趋势。
参考来源 - 敦煌戈壁地区近地层风的变化特征