查询词典 sand dune

In previous management experience, it was found that a new desert governance is formed through microbial mucus conglutinate sand, or by algae, lichens and the moss Jiagen tied up and the formation of biological tie skin, a protective network to start, it can operate effectively constraining the flow, and thus play a dune-fixing role.

结合以前的治理经验，人们发现了一种新的沙漠治理方法，就是通过微生物形成的黏液粘连沙粒，或者被藻类、地衣和苔藓的假根捆绑起来，形成生物结皮，形成接近细沙的防护网，它能有效束缚沙粒流动，从而起到固沙作用。

Here, dune evening primrose flowers stand out in a sea of purple desert sand verbena.

在这里，沙丘月见草花在引人注目在海洋的紫色沙漠马鞭草属植物。

The change of context will be radical: with a switch from earth to sand and especially a dune portion of close to 30 kilometres.

最明显的是地貌的变化：赛道从土地进入沙漠，特别是将尽30公里的沙丘地带。

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

一棵孤独植物突出挑战地从干燥的沙丘的沙滩在这个引起回忆的图像。

In fixed sand and sand-flowing dune, the percentage of bacillus sp.

真菌的垂直变化没有规律，流动沙丘中在1～10cm＞表面＞10～20cm。

Conditions for maintenance of reticulate dune morphology under modern flow environment include enough space for the development of secondary ridges on the primary ridges in order that the overall pattern can not be modified by the subdominant winds, and sufficient amount of sand supply for the secondary ridges that can withstand the dominant winds.

在背风坡，因原始气流方向、强度和沙丘背风坡形态等的不同出现弱的反向气流，相对强的附体未偏向流和附体偏向流等三种特征次生气流，它们控制着背风坡表面过程、沙丘移动性质、内部层理类型和产状。

The Tuareg, turbaned nomads who for centuries have ruled this barren realm, refer to it as a "desert within a desert"—a California-size ocean of sand and rock, where a single massive dune might stretch a hundred miles, and the combination of 120-degree heat and inexorable winds can wick the water from a human body in less than a day.

带头巾图瓦雷克民族几个世纪来统治着这片贫瘠的土地，他们把这里叫作"沙漠中的沙漠"。这是一片和加利福尼亚一样大小的沙石之海，单是一座孤立的巨大沙丘就可以绵延几百英里，华氏120度的高温加上无情的暴风可以在一天之内将人体内的水分像燃烧灯芯般耗尽。

Recent field work has found that there are several terraces formed by water erosion of the dune sand in the transitional area bet-ween southeastem Ejina basin and Badain Jaran desert. The upper parts of these terraces were covered by the carbonate-solidified sandy crusts. They possess nearly the same elevation and are extensively correlatable.

新近的考察工作发现，在盆地东南部古日乃与巴丹吉林沙漠过渡区，存在有多级古沙丘被水夷平的、高度不等的平台，在这些平台之上，保存有水体快速蒸发环境条件下沙粒物质被钙质胶结的坚硬、类似砂岩的顶盖，其高度在大范围内可以对比，同时伴有湖相碳酸盐沉积、根管等。

The dune of Lake Wabby, the whole island is out of sand!

这张照片是公开的。

One grain of sand cannot avalanche, but pile up enough grains of sand and you get a dune that can trigger avalanches.

一粒沙子不能引起沙丘的崩塌，但是一旦堆积了足够多的沙子，就会出现一个沙丘，进而也就能引发一场沙崩。

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。