长乐东部和海坛岛是福建省的主要风沙分布区，风成沙是重要的自然资源。
The eastern part of Changle and Haitan Island are the two major eolian sand regions in Fujiau Province. The eolian sands are important natural resources in the regions.
采用数值模拟的方法研究了沙粒冲击角对风成沙纹形成过程及其形态特征的影响。
We studied the effect of particle impacting-angle on development of aeolian ripples using numerical simulation method.
采用数值模拟的方法研究了沙粒冲击角对风成沙纹形成过程及其形态特征的影响。
Shape characteristics of the natural aeolian sand ripples and their relations with the physical characteristics of surface sand. ;
海坛岛是福建省的主要风沙分布区，风成沙同花岗岩、风力并列为岛上的三大自然资源。
Haitan island is a main district with eolian sands in Fujian Province. Eolian sands, granites and wind power are the three major natural resources in the island.
通过简单的跃移模型、蠕移模型和稳定模型对风成沙纹的形成过程进行了二维数值模拟研究。
Based on the saltation, creeping and stability models, a two-dimensional numerical model is established to study the development process of aeolian ripples.
风成沙纹的数值模拟研究已取得了不少进展，但各家所采用的模拟方法及模拟结果存在不少差异。
We studied the effect of particle impacting-angle on development of aeolian ripples using numerical simulation method.
水系沉积物中，元素含量以80目级为界出现明显差异，- 80目粒级元素含量明显受到风成沙干扰。
In the stream sediment, the content of elements appears obvious difference at the boundary line of 80-mesh granularity, and the content of elements (-80 mesh) is obviously disturbed by eolian sand.
这两种类型元素在风成沙中呈现的含量低值揭示了其时干旱寒冷气候作用下风力的侵蚀 搬运与堆积作用；
The low numerical value distribution of these two types trace elements in the Aeolian sand facies represents erosion and accumulation under wind force during the cold-dry climate.
风把沙漠的沙吹来，堆积成一片幼沙土。
风把沙漠的沙吹来，堆积成一片幼沙土。
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