可见，区内风沙活动及风成景观的塑造过程，主要是在暖干期进行的。
So, it can be concluded that sand drift activity and aeolian landform forming are mainly taking place in warm dry period.
对高立式沙障处的风沙沉积情况与风沙活动强度之间的对应关系进行探讨。
This paper discussed the relations of sand deposits with wind activity strength around the high windbreaks.
由于草方格构成的下垫面复杂多变，其对风沙流结构与风沙活动层风速廓线的影响很难确定。
It is difficult to determine the effects of straw-break surface on the structure of drifting sand current and the wind speed profile in the sand-moving region due to the complexity of straw-breaks.
沙漠化是干旱、半干旱及部分半湿润地区由于人地关系不相协调所造成的以风沙活动为主要标志的土地退化。
The aeolian desertification is a land degradation characterized by wind erosion mainly resulted from the excessive human activities in arid, semiarid and part of sub-humid regions in Northern Chian.
活动大多数发生在撒哈拉沙漠边缘的风沙地带，但是最近几个月袭击的范围已不限于波尔诺州。
Activities have mostly been confined to the dusty region on the brink of the Sahara desert, but in recent months it has expanded beyond its home base.
通过对北京市永定河流域气候、地质条件及人为活动的调查，分析了永定河流域风沙化土地的成因。
Through the investigation on climate, geological condition and human activity of Yongding River Basin, the origin of wind-sandy land in Yongding River Basin was analyzed.
而服饰的形成，主要是为了能在广阔的空间活动时，用来抵御严寒，遮隔日晒雨淋和风沙袭击的。
The formation of the clothing, primarily in order to be able to in the vast space activities, to resist cold, cover the sun and rain, and sand separated the attack.
而服饰的形成，主要是为了能在广阔的空间活动时，用来抵御严寒，遮隔日晒雨淋和风沙袭击的。
The formation of the clothing, primarily in order to be able to in the vast space activities, to resist cold, cover the sun and rain, and sand separated the attack.
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