sand of storm

基本解释

The river and air pollution, the phenomena of sand storm, etc. have been shocking by the sight.
河流汙染，空氣汙染，沙塵暴等現象已是觸目驚心。
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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 analysis indicates that the transporting force of sand-storm activity and matter in sand dust source area are the decisive factors of sand storm activity.
分析表明，沙塵暴活動的搬運動力和沙塵來源區物質所処狀態是沙塵暴活動與否的決定因素。