查询词典 sand dune

The mean value of geomorphic parameters of heavy and coarse sediment load area of the middle Yellow River is 10.89, of which, the first sub-region of gullied rolling loess area is the maximum, the second sub-region of gullied rolling loess area and mountainous region second and dune sand area the minimum.

黄河中游多沙粗沙区区域地貌参数平均值为10.89，其中；黄土丘陵沟壑区第一副区最大，黄土丘陵沟壑区第二副区与土石山区次之，风沙区最小。

Sometimes they were caused by faraway thunder, sometimes by a thousand tons of sand sloughing down the slip-face of a high dune.

有时是远处的雷引起的，有时是几千吨沙从高大的沙丘的坡面落下造成的。

They had soon taken off their Sunday clothes and come out again, hurrying over the dunes which stood there like great waves of sand suddenly arrested in their course, while the sandweeds and dune grass with its bluish stalks spread a changing colour over them.

这些沙丘像忽然停止了波动的浪涛。海草的淡蓝色的梗子和沙草把白沙染成种种颜色。有好几个邻居来一同把许多船只拖到沙上更高的地方。风吹得更厉害。

A test for deep planting earth auger reveal out the relationship between auger's rotation speed, feeding speed with its drilling resistant torque in three typical tree planting land of moving dune, sand soil and road side in the area of Keerqing.

通过对科尔沁沙地3种典型造林地，即流动沙丘、固定沙地和道路两侧的实地试验研究，得出了钻头转速、进给速度之间的相互关系及对钻孔阻力矩的影响关系。

A lone plant juts defiantly from the arid sand of a dune in this evocative image.

一名孤单的植物突出部大胆反抗地从干旱的一个沙丘在这唤起的照片。

A lone plant juts defiantly from the arid sand of a dune in this evocative image.

一棵孤立的植物突出对抗的从干旱的一个沙丘的沙滩，在这里让人联想到的形象。

A lone plant juts defiantly from the arid sand of a dune in this evocative image.

一个孤单的植物突出对抗干旱的一个沙丘在这个引起回忆的图像。

A lone plant juts defiantly from the arid sand of a dune in this evocative image.

一棵孤立的植物突出挑战从干燥的沙丘在这幅唤起记忆的图片。

From left: blocks of icy debris, warmed by the sun, tumble down cliffs of the northern ice cap; swirling dust devils leave tracks on defrosting dune surfaces in the south; as polar ice recedes, the surface erodes in scalloped ridges; during spring in the north, sand dunes emerge from the blanket of frost; starburst patterns are created as ice warms into gas and expands, creating channels spreading out radially; when the gas breaks through the ice, it creates plumes and material is carried downwind.

从左侧起依次是：冰碎块，由于被太阳加热，从北部冰帽的悬崖上滚落；漩涡状尘暴在南部解冻的沙丘表面留下的轨迹；消退过程中，极冰在地面侵蚀出圆齿状脊；在北部的春季，沙丘钻出&霜毯&；星暴图案是在冰融化成气体并不断扩散时形成的，在此过程中形成的沟槽呈放射状向外伸展；冰从固态变成气态时产生的气羽流顺风飘散。

Everyone knew that the dune threshers attacked from under the sand, and that we were safe upon the rocks!

人人都知道沙丘长尾鲛会从沙地下发起攻击，我们在岩石上很安全！

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。