AR816 anemometer with ultra small impeller integrally anemometer, maximum, current value, average wind speed, wind temperature, wind velocity response of analog display, pocket-sized portable model.
AR 816风速计具有超小型叶轮一体式风速计，最大、当前值、平均风速、风温测量，风速反应模拟条显示，袖珍便携机型。
Using wind velocity profile law determinate the aerodynamic roughness length of wheats different growth periods: the average roughness of shooting period, is 6.
利用风速廓线法测定小麦不同生长期的空气动力学粗糙度：青苗期的平均粗糙度最大，为6。
Daily average concentration of various pollutants also has a close correlation with ground wind velocity.
各种污染物日平均浓度值与地面风速相关也非常好。
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