The impact of shrub coverage and height on surface wind and aerodynamic parameters is systematically studied through field study and fixed observation.

通过野外实地调查和定位观测，系统研究了灌木林盖度和高度对地表风况及空气动力学参数的影响。

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Through the analysis and comparison, It is found that the uncertainty of wind field has immense effects on the nuclear accidents emergency decision.

通过比较分析，发现风场变化的不确定性对核事故应急决策有很大的影响。

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Through field investigation, the influences of vegetation characteristics on wind profile and soil erosion were main studied.

采用野外定点观测法，主要研究植被各个特征对风力作用及土壤风蚀的影响。

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"You run through a field and the paraglider wing catches the wind, it fills with air, blows you off the ground, you switch on the motor and off you go, you're flying, " he said.

CNN: Flying 'Parajet' takes off