sand dust storm

基本解释

Objective To study the impact of the sand dust storm on the incidence rate of respiratory diseases.
目的探討沙塵暴對呼吸系統疾病影響的特點和槼律。
The frequency of sand dust storm has a close relation with meanannual wind speed in the arid, and semi-arid area in China.
在中國北方地區的乾旱背景下，年均沙塵暴的發生頻率與年均風速的相關性較強。
The comparison between the analysis results of the loess samples and the dust aerosol samples shows that this experiment method is very good to do dust source and sand dust storm researches.
黃土樣品的分析結果與粉塵氣溶膠樣品的離子分析結果對比表明，此方法對於探討粉塵起源以及沙塵暴天氣的研究具有重要意義。

沙塵暴
Sand dust storm frequency increases as the aggravation of soil wind erosion.
且隨著土壤侵蝕程度的加深，沙塵暴日數也在增加。