查询词典 dunes

The decreased threshold shear velocity and unsaturated sand flows at the stoss slope of the dunes resulted the erosion at the toe of the dune. Under the medium and low drifting-sand winds the sands being transported have divergence with that on the surface, the mean grain size of transported sands is lower than that on the surface and the sand transporting is a stochastic process.

起动剪切速度减小与不饱和风沙流是沙物质在横向沙丘迎风坡坡脚不能产生沉积的主要原因；再者，平均风速并不能完全反映野外实际状态下气流的性质，在低－中强度的风沙活动过程中，被输送的沙物质的粒度组成与下垫面物质有明显的差异。

But there are exceptions, including in the desert sand dunes in the form of sedimentary sandstone Fassino of the cocoa, as well as some parts of the Supai rock.

但也有例外，其中包括在沙漠中以沙丘形式沉积的可可西诺砂岩，以及 Supai 岩层的某些部分。

There are exceptions, including in the desert sand dunes in the form of sedimentary sandstone Fassino cocoa, as well as some parts of the Supai formation.

但也有例外，其中包括在沙漠中以沙丘形式沉积的可可西诺砂岩，以及 Supai 岩层的某些部分。

Forty years of re-vegetation, mainly by xerophytic shrubs Artemisia ordosica Krasch and Caragana korshinskii Kom, in the Shapotou Desert Experimental Research Station has established a dwarf-shrub and herbaceous cover on stabilized sand dunes.

：在草原化荒漠带沙坡头地区，利用草方格沙障并栽植灌木柠条和半灌木油蒿对流动沙丘进行固定，经过40a的演变，逐渐形成由矮灌木与草本植物覆盖的固定沙丘景观。

Rocky mesas, canyons and arroyos break up the monotony of kilometers of shifting dunes.

多岩石的平地、峡谷和干枯的河道截断了绵延几千公里的单调的黄褐色地表。

Rocky mesas, canyons and arroyos break up the monotony of kilometers of shifting dunes. The days are hot and the nights are frigid.

岩石台地、山谷和旱谷将单调的起伏沙丘分离出来，昼夜的温差极大，空气乾燥且土壤乾裂。

A state park and a 668-hectare-wilderness area occupy the reclusive far end of the cape, with camping and beaching among the towering dunes as well as fishing and wildlife spotting as favourite pastimes.

一座州立公园和占地668公顷的野生群落占据着海角幽远的尽头。在那里您可以在高耸的沙丘中感受露营和晒日光浴的乐趣，捕鱼和野生生物探索也将成为一大乐趣。

The older , lighter , and dustier lava has been whipped into thin dunes , appearing as ripples or stripes .

而较暗的稀薄的蒙满灰尘的熔岩层，与浅浅的沙丘混在一起，看起来像涟漪和条纹。

They observed us for a while, while we madly took photos, and then lazily meandered off behind one of the dunes.

它们搭理我们一会儿，同时我们疯狂地照它们，稍后骆驼懒散地徘徊着消失在一座沙丘后面。

There's just so much for children to see and do: like swimming with sea lions and dolphins at Baird Bay; sliding down sand dunes on Kangaroo Island; noodling for opals in Coober Pedy and patting koalas, kangaroos and more in wildlife parks just outside Adelaide.

那里可以让孩子看的做的实在是太多了：在Baird Bay和海狮，海豚一起游泳；从袋鼠岛的沙丘上滑下；在Coober Pedy 里面对猫眼石毫不知情以及拍拍数袋熊，袋鼠和其他野生动物园里动物的小脑袋。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。