Sand storm and dust devil in spring in northern parts were extremely frequent.
春季北方扬沙和沙尘暴天气异常频繁;
Finally, the integrated control strategy against the sand dust storm is proposed.
最后提出了以植树种草为核心内容的综合防治对策。
Finally, the integrated control strategy against the sand dust storm is proposed.
最后提出了以植树种草为核心内容的综合防治对策。
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