It's awful to have more and more sand - dust storms here.

这里的沙尘暴越来越多,真是太糟糕了.

魔法英语-口语突破（高中）

But last year there were some sand - dust storms in Beijing.

可是,去年北京有几次沙尘暴.

魔法英语-口语突破（高中）

Sand dust storm is a catastrophically climate mainly occurring in arid or semi - arid region.

摘要沙尘暴是主要发生于乾旱、半乾旱地区的一种危害极大的灾害性天气.

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The influence of sand & dust and low pressure on dynamics of piston ring was studied.

研究了西部低气压 及 沙尘环境对于活塞环动力学的影响.

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This paper repotted the characters of Terahertz pulse radiation to stimulant sand - dust storm by using THz - TDS.

使用太赫兹时域光谱技术研究了太赫兹脉冲对模拟沙尘的透射特性,得到不同沙尘条件下信号的透射光谱.

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Since 16 centuries BC, sand - dust phenomenon is documented or described in history books.

自公元前16世纪以来,我国史书 、 地方志等对沙尘现象就有记载或叙述.

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The sources of sand - dust during sand blowing weather mainly come from Beijing outskirts.

沙尘天气分沙尘暴、扬沙、浮尘三种,北京扬沙天气的沙尘源以就地起沙为主.

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