沙丘

The salt-loving tall grass thrives in beach ecosystems and helps to form and protect sand dunes by collecting windblown grains.

盐喜欢高大的草茎繁荣蓬勃在海滩的生态系统，并帮助形成和保护沙丘通过收集被风吹起的粮食。

The salt -loving tall grass thrives in beach ecosystems and helps to form and protect sand dunes by collecting windblown grains.

喜盐的高大草本植物在海滨生态系统长势良好，并且有助于保护由风吹走的麦粒堆积而形成的沙丘。

This shot shows layered rock in the Becquerel Crater - the blue areas are fields of dunes

照片上反应的是贝克勒尔坑的岩层，蓝色区域是风吹积的沙丘。

This shot shows layeredrock inthe Becquerel Crater - the blue areas are fields ofdunes

照片上反应的是贝克勒尔坑的岩层，蓝色区域是风吹积的沙丘。

Its research areas Include: Climatology and biometeorology; Rainfall and its biological effects; Erosion and the deposition of sediments: dust storms; Dunes, their structure and formation; Microclimatology; Dew and hygroscopic moisture; Soil flora and fauna in arid lands; Seed germination and its improvement; Vegetational studies in desert regions worldwide; The physiology and ecology of plants and animals; Foraging patterns of mammals; Parasites and predators; Diurnal rhythmicity and phenology; The impact of grazing; Wildlife conservation; Anthropology and sociology of desert peoples; Oasis settlement; Human ecology and traditional land use; Land classification and improvement; Water control; Remote sensing; Desertification, its causes and control.

具体内容包罗万象：气候学和生物气象学；降雨和它的生物影响；沉积物的腐蚀和沉积；沙丘结构和形成；干旱地区的植物和动物群；寄生物和捕食动物；干旱地区的人类学和社会学；干旱地区的绿地建设；水控制和干旱地区的沙漠化的成因和控制等。

One of the tallest sand dunes in the world, Cerro Blanco rises from the desert to more than 6,800 feet above sea level.

中文翻译：塞罗布兰科是世界上最高的沙丘之一，它矗立在沙漠中央，海拔约6800英尺（约2040米）。

A marsh in New Mexico's Bosque del Apache National Wildlife Refuge reflects a group of sandhill cranes.

一片沼泽在新墨西哥州的灌木丛阿帕奇国家野生动物保护区反映了一群沙丘鹤。

Lesser snow geese and greater sandhill cranes mingle in November at Bosque del Apache NWR in New Mexico.

较小的雪鹅和大一些的沙丘鹤到十一月都混合在新墨西哥的灌木丛。

They often form along the boundary between the dune and the surface below.

他们常常形成沿边界之间的沙丘和下面的表面。

They often form along the boundary between the dune and thesurface below.

它们通常沿着沙丘与坡面间的分界线分布。

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。