沙丘

All at once there began to go a sort of bustle among the bulrushes; a wild duck flew up with a quack, another followed, and soon over the whole surface of the marsh a great cloud of birds hung screaming and circling in the air.

这条灌木林带从一个沙丘顶上延伸下来，愈往下树长得就愈高，铺开得也愈广，一直到了一片开阔的、长满芦苇的沼地边缘，附近的一条小河就是从这里流向锚地的。

More than 200 national and other pavilions will straddle the city's Huangpu River, turning a two-square-mile site into an architectural playground: Switzerland will be represented by a building shaped like a map of that country, complete with a rooftop chairlift, while England is in the celebrated hands of the designer Thomas Heatherwick, who is fashioning what looks like a big, hairy marshmallow. Other attention grabbers include Macao, taking the form of a walk-through bunny, and the United Arab Emirates, which hired Foster + Partners to build a "sand dune."

从5月1日至10月31日期间，上海黄浦江两岸将矗立起200多个国家和地区的展馆，届时游客将可在2平方英里的展区内欣赏各式建筑：瑞士馆的外观似其国家地图，馆内设有屋顶观光缆车；英国馆的设计出自著名设计师托马斯，外观时尚，貌似一株巨型、粗壮的蘑菇；同样吸引眼球的还有澳门馆&玉兔宫灯&外形、由世界闻名的建筑公司福斯特伙伴公司（Foster + Partners）设计的阿联酋馆&天然沙丘&造型。

Through the contrast analysis of the level of cell, protein and DNA, combined with the application of cladistic taxonomy system and numencal classification system and all the result of classification such as geographical distribution and fossil information, it can be deduced that the relationship of phylogenetics of Chinese crane is the following: the related relationship among Red crowned Crane , Black-necked Crane G.

通过细胞水平，蛋白质水平以及基因水平的对比分析，并结全宏观性状的支序分析和数值分析，以及地理分布化石资料等多方面分类结果推断，中国鹤类的系统发育关系是：丹顶鹤、黑颈鹤、白枕鹤、赤颈鹤的亲缘关系较近，而与灰鹤、白头鹤、沙丘鹤的关系较远，与白鹤、蓑白鹤关系最远。

From the towering peaks of Nepal, the lush green of Amazon, from the dry sculpted crescents of the Sahara to glistening polar icecaps, our world is truly spectacular.

从尼泊尔高耸的雪山，到亚马逊茂密的丛林；从撒哈拉的月形沙丘，到南极的闪耀冰帽，我们将以饱含的深情和独特的眼光，去探索这个多元化的魅力星球。

This study selected the ephemerals which grow in the Gurbantunggut Desert Area as the object of the study, which is based on the field sampling and the bourgeoning experiment in laboratory, The distributing , bourgeoning status,density, diversity of the soil seed banks and its relationship with vegetation showed in this area sand dunes were studied.

采用野外定点取样和室内萌发相结合的试验方法，研究了短命植物在沙丘不同部位的空间分布、萌发状况、密度、物种多样性及土壤种子库生物多样性与地上植物多样性的关系。

Ergs are vast expanses of sand dunes like this area in Oman.

尔格是巨大的广阔的沙丘就像这样的地区在阿曼。

Ergs are vast expanses of sand dunes like this area in Oman.

Ergs是大片宽阔的沙丘像这一领域中的阿曼。

Photo Gallery: Desert Landscapes Ergs are vast expanses of sand dunes like this area in Oman.

意译：沙漠的风景图片。Ergs是巨大宽广的沙丘其面积在阿曼。

Ergs are vast expanses of sand dunes like this area in Oman.

Ergs是巨大的广阔的沙丘像这地区在阿曼。

Ergs are vast expanses of sand dunes like this area in Oman.

Ergs是巨大宽广的沙丘其面积在阿曼。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐