1) linear dune
![点击朗读](/dictall/images/read.gif)
线形沙丘
1.
Field experiments show that the airflow strength varies with wind directions on the surface of simple linear dunes.
采样分析、风沙观测以及计算结果表明,在不同风向作用以及沙丘形态参数改变等因素的控制下,简单线形沙丘表面起动剪切速度有明显的差异。
2.
of seif dune,and inferred the developmental mcchanics of linear dune and inner the developmental mechanics of linear dune and inner structure or the seif.
本文回顾和总结了国内外关于线形沙丘研究的最新进展。
2) parabolic sand dune
![点击朗读](/dictall/images/read.gif)
抛物线形沙丘
3) dune morphology
![点击朗读](/dictall/images/read.gif)
沙丘形态
1.
The second stage from the mid-1930 s to the 1970 s was corresponding to the best time when the dune geomorphology developed into an inter discipline comprised of dune morphology, sediments and dynamics.
本文对国外沙丘的研究历史进行了简要回顾 ,就沙丘形态学、沙丘沉积学和沙丘动力学作了扼要评述 ,并对今后研究的趋势进行了探讨。
4) bow-shaped dune
![点击朗读](/dictall/images/read.gif)
弓形沙丘
5) rake dune
![点击朗读](/dictall/images/read.gif)
齿形沙丘
6) shield dune
![点击朗读](/dictall/images/read.gif)
盾形沙丘
补充资料:道路线形设计
见公路线形设计。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条