研究了沙尘暴过程中湍流作用、沙尘输送特征及起沙条件。
The characteristics of turbulence and dust transport, as well as the dust emission conditions were investigated.
布局城市工业企业要充分考虑区域的输送特征，首先是城市的风场特征，包括局地环流的影响。
The layout for city industrial enterprise needs to consider fully the transportation characteristic in area, first the characteristic of city wind field (includes the influence of local circulation).
分析结果表明，影响西北地区夏季多、少雨年的相关区域环流特征和水汽输送特征有显著差异。
Results show that the circulation and water vapor transport of dry years in the related areas are significantly different from those of wet years.
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