• Finally, the integrated control strategy against the sand dust storm is proposed.

    最后提出了植树种草核心内容的综合防治对策

    youdao

  • Objective to study the impact of the sand dust storm on the incidence rate of respiratory diseases.

    目的探讨沙尘暴呼吸系统疾病影响特点和规律。

    youdao

  • Meteorological records in the past 50 years indicate that there has been a sharp decrease in sand dust storm frequency, which is in accordance with the decrease in annual mean wind speed.

    50年来多个站点观测记录表明沙尘暴的发生频率处于快速下降的过程,恰好年均风速的变化趋势较为一致

    youdao

  • 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.

    黄土样品分析结果粉尘气溶胶样品离子分析结果对比表明方法对于探讨粉尘起源以及沙尘暴天气的研究具有重要意义。

    youdao

  • Appear when sandstorm in the sand, floating dust storm wrapped by district, who was filled QiangBi fan, air turbid eyes, respiratory diseases increased.

    出现沙尘暴天气狂风的沙石、浮尘到处弥漫,凡是经过地区空气浑浊呛鼻呼吸道等疾病人数增加

    youdao

  • Caption: Mali, 2001. Women caught in a sand storm. Dust storms cause soil loss - in particular the loss of the nutrient-rich lightest particles - reducing agricultural productivity.

    描述:2001年,马里,一群妇女遭遇沙尘暴沙尘暴造成土壤流失特别是富含养分最轻微粒的流失,降低了农业生产力。

    youdao

  • The phenomenon of wind erosion and desertification is widespread in mountain area of hebei province and it plays an important role in sand-dust storm in2000.

    风蚀沙化现象河北山区普遍存在,在2000年沙尘暴中扮演了重要角色

    youdao

  • The results show that upper trough and shear line and thermal depression are main synoptic systems introducing summer sand-dust storm.

    研究发现高空小切变线低压引发夏季沙尘暴主要天气系统

    youdao

  • 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搬运动力沙尘来源物质所处状态沙尘暴活动与否的决定因素

    youdao

  • And she said most of the days the weather is fine. Most dust actually comes due to sand storm from Gobi dessert not too far away up north west.

    大部分时间天气好,大部分的灰尘都来自西北的戈壁滩。

    youdao

  • To improve the accuracy of sand-dust storm forecasting, an RBF-SVM method with automatic parameter selection was presented in this paper.

    提高沙尘暴预报准确率针对目前已出现的RBF - SVM沙尘暴预报模型中的参数优化进行研究。

    youdao

  • Sand storm and dust devil in spring in northern parts were extremely frequent.

    春季北方扬沙沙尘暴天气异常频繁

    youdao

  • The phenomenon of wind erosion and desertification is widespread in mountain area of Hebei province, and it plays an important role in sand-dust storm in 2000.

    风蚀沙化现象河北山区普遍存在,在2000年的沙尘暴扮演重要角色

    youdao

  • The special topography, climate conditions and the underlying surface with the source of the abundant sand were the material base of forming sand and dust storm.

    特殊地形气候条件富含沙尘形成沙尘暴物质基础

    youdao

  • Because of natural and human factors, Heilongjiang province become one of the main area affected by sand-dust storm in northern regions of China.

    由于自然人为因素的作用,黑龙江省成为我国北方沙尘暴影响地区之一

    youdao

  • The effects of floating dusts of sand and dust storm to raw coal, coke and content of ashes is analyzed, and some emergency measures, future work methods and left questions in put forward.

    分析沙尘暴扬尘生产中原煤焦炭灰分含量影响提出应急措施工作方法以及遗留问题

    youdao

  • The utility model relates to a dust storm sampler, which is used for collecting grains in dust storm whether, sand blowing whether and floating whether.

    实用新型涉及一种用于采集沙尘暴天气、扬沙天气、浮尘天气空气中颗粒物的沙尘暴采样器。

    youdao

  • The origin of the sand and dust in the sand-dust storm forms the indispensable material condition.

    沙尘暴源物质形成分布是形成沙尘暴必不可少物质条件

    youdao

  • The probability of strong wind and sand-dust storm decreased.

    大风沙尘暴发生概率减少

    youdao

  • Many academicians regard that the cause of formation of sand-dust storm mainly is the vegetation in hungriness is destroyed.

    关于沙尘暴成因,学界大多认为近期以来 人为破坏荒漠植被的 结果

    youdao

  • Many academicians regard that the cause of formation of sand-dust storm mainly is the vegetation in hungriness is destroyed.

    关于沙尘暴成因,学界大多认为近期以来 人为破坏荒漠植被的 结果

    youdao

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