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1.In comparison with the constant eddy viscosity Ekman model,the eddy viscosity increasing with height results in the increasing of vertical wind shear and deceasing of the angle between the wind vector and x axis.
结果分析表明 :与常值涡动粘性系数情况相比 ,在边界层低层随高度增加的涡动粘性系数可以导致低层边界层风速随高度迅速增加 ,即风速垂直切变增加 ,同时风速矢与地转风之间的夹角减小。收藏指正
2.This paper puts forward a new method of auto-sampling of the surface flaw signal data of axis-like parts by using eddy current sensor and scan dividing disk, discusses on the ranges of fixed value when the method is used in the sampling of degree-division by equal phase, and validates the auto-sampling system of degree-division by equal phase.
提出了用涡流传感器扫描分度盘来实现对轴 (孔 )类工件表面缺陷信号数据进行自动采样的方法 ,讨论了其在等相位分度中所取定值的范围 ,并对等相位分度自动采样系统进行了验证收藏指正
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