The intensity of the sand-Dust weather has increased.
沙尘天气主要发生在春季和冬季。
The probability of strong wind and sand-dust storm decreased.
大风和沙尘暴发生概率减少。
Sand-dust was mainly deposited in spring and early summer in the study area.
该区年内主要粉尘堆积时段为春季和初夏；
The small probability for acid accompanied with relative more sand-dust in spring.
沙尘较多的春季产生酸雨的概率小。
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。
The distribution of frequency of sand-dust storms exhibits some zonality in the study area.
黄土高原地区沙尘暴的分布具有一定的地带性。
The distance and the direction of sand-dust transport depend on the atmospheric circulation.
沙尘的传输距离和方向与大气环流的变化情况直接相关。
The origin of the sand and dust in the sand-dust storm forms the indispensable material condition.
沙尘暴尘源物质的形成及分布是形成沙尘暴必不可少的物质条件。
Reduce the time on outdoor activities and try to avoid riding a bicycle outside in Sand-Dust days.
扬沙天气应减少户外活动时间并尽量避免骑自行车出行。
Many academicians regard that the cause of formation of sand-dust storm mainly is the vegetation in hungriness is destroyed.
关于沙尘暴的成因，学界大多认为其是近期以来 人为破坏荒漠植被的 结果。
The results show that upper trough and shear line and thermal depression are main synoptic systems introducing summer sand-dust storm.
研究发现高空小槽、切变线、热低压是引发夏季沙尘暴的主要天气系统。
To improve the accuracy of sand-dust storm forecasting, an RBF-SVM method with automatic parameter selection was presented in this paper.
为提高沙尘暴的预报准确率，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。
Because of natural and human factors, Heilongjiang province become one of the main area affected by sand-dust storm in northern regions of China.
由于自然及人为因素的作用，黑龙江省成为我国北方沙尘暴影响地区之一。
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.
风蚀沙化现象在河北山区普遍存在，在2000年的沙尘暴中扮演了重要的角色。
Based on meteorological data of 7 stations in Qingdao during 1961-2004, the space-time distribution characteristic of sand-dust weather in Qingdao is analyzed.
利用青岛市7个站1961—2004年的气象资料，分析了青岛沙尘天气的时空分布特征。
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.
风蚀沙化现象在河北山区普遍存在，在2000年的沙尘暴中扮演了重要的角色。
According to this article, the cyclical change of the natural factors is the main factor to the Sand-Dust weather, while artificial factors make strengthen action.
分析认为，自然因子的周期变化是造成沙尘天气分布和变化的主要原因，人为因素起了加强作用。
This study was conducted in the aspects, such as, dry climatic background, circulation conditions, possible sand-dust sources, paths of sand transportation, and synoptic systems.
作者从干旱气候背景、环流状况、沙尘源、沙尘路径及天气系统等方面进行了分析，并集中对引发强沙尘暴的蒙古气旋进行了诊断分析。
It's commonly found in arid regions to provide protection from direct exposure to the sun, as well to protect the mouth and eyes from blowing dust and sand.
这种头巾在干旱地区很常见，他可以提供保护，免受太阳直接暴晒护，同时也可以保护嘴巴和眼睛免受飞尘和飞沙的伤害。
He rained meat down on them like dust, flying birds like sand on the seashore.
他降肉像雨在他们当中，多如尘土，又降飞鸟，多如海沙。
There was sand and dust everywhere, and on most days the temperature came close to a hundred degrees.
到处都是沙子和尘土，绝大多数日子，气温都在三十六七度。
Lockheed Martin's design features internal cabling, rapid stowage and shielding for vital components against sand, dust, rain and extreme temperatures on the battlefield.
洛克希德·马丁公司的设计特点还包括内部布线、快速装载以及对于沙、灰尘、雨水和战场极端温度条件下的重要部分的防护。
The sand and dust were swept thousands of kilometers south and east from the arid terrain of Inner Mongolia.
从内蒙古贫瘠的土地上，这些沙尘被席卷至东南方几千公里的区域。
We travelled north to Tillaberi, a rolling landscape of sand, wind-blown dust, and sparsely scattered bushes and trees, seemingly in the very last stages of desiccation.
我们一直向北到了提拉贝里，那里是一片荒凉—飞沙，飞尘还有稀疏的树木，看起来也即将要干枯了。
For example, it says climate change and land use are expected to increase desertification worldwide, increasing the risk of sand and dust storms.
例如，气候变化和土地的开发使用预计将加剧世界范围的沙漠化，增加沙尘暴的风险。
One of the most abundant particles is the dust and sand that blows off of Earth's deserts.
而最主要的废弃颗粒之一则是来自沙漠的飞沙走石。
A dozen hopeful men in stained straw hats stood back to let me inspect their work, which so far had yielded only a mountain of exhumed sand, dry as dust.
十多个头戴草帽的人满怀希望地在地面忙做，汗水和泥水弄脏了草帽。为了让我看到他们的劳动成果他们退后了几步，我看到从井底掘出的沙子已经堆成一座小山，这些沙子非常干燥见不到一点水分。
I take pride in this Great Wall, and I plaster it with dust and sand.
我以这垛高墙作为自豪，而用沙土把它埋得结结实实。
I take pride in this Great Wall, and I plaster it with dust and sand.
我以这垛高墙作为自豪，而用沙土把它埋得结结实实。
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