sand of storm

基本解释

The river and air pollution, the phenomena of sand storm, etc. have been shocking by the sight.
河流污染，空气污染，沙尘暴等现象已是触目惊心。
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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.
在中国北方地区的干旱背景下，年均沙尘暴的发生频率与年均风速的相关性较强。
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，沙尘暴活动的搬运动力和沙尘来源区物质所处状态是沙尘暴活动与否的决定因素。