1.
The analysis to sandy desertification land types shows that the moving sand dune decreases, semi-fixed sand dune and fixed sand dune increase.
从沙化土地类型上分析，流动沙地面积减少，半固定、固定沙地面积增加。
2.
There are nearly 170 million hectares of desertified land nationwide, accounting for 18.2 percent of the country's total land area, and desertification has affected 400 million Chinese people.
全国沙漠化土地面积近1.7亿公顷，占国土面积的18.2%，受沙漠化影响的人口达4亿人。
3.
The three-north shelterbelt program has brought 1.58 million hectares of desertified land under control.
三北防护林工程完成沙化土地治理面积158万公顷。
4.
It is proposed to construct a sand sliding field according to landform of the hill, covering an area of 3,500 m 2 .
依据山势，在二库南岸旅游路西侧建一个滑沙场，占地面积3500平方米。
5.
Soil erosion on 266,000 square km of land and desertification on 5.7 million hectares of land were brought under control.
治理水土流失面积２６．６万平方公里，治理沙化土地５７０万公顷。
6.
Study on Rules of Wind Erosion and Accumulated Sand for Moving Dune in Maowusu Sandy Land
毛乌素沙地流动沙丘风蚀积沙规律研究
7.
The Sahara covers an area of about three million square miles.
撒哈拉沙漠面积约为三百万平方哩。
8.
Following the Mama Bongisa advice, they mounded the earth to get as much surface area as possible and to prevent Kinshasa's harsh rains from flooding the beds.
按妈妈促进会的建议，他们堆起土，尽可能地扩大面积并防止金沙萨的暴雨冲垮菜地。
9.
Study on the Sedimentary Systems and Sequence Stratigraphy of Es2-Es3 in Gunan Sag
孤南洼陷沙二～沙三段层序地层与沉积体系研究
10.
Aeolian sand filling construction technology of freeway foundation in desert area
沙漠地区高速公路路基风积沙填筑施工技术
11.
The land area and productive area of the Company is 30000 m2 and 15000 m2 respectively.
占地面积30000平方米，生产面积15000平方米。
12.
Mud and silt have been continuously deposited in the lake.
泥沙不停地淤积在这湖里。
13.
Research about the Mechanical Properties of Mu Us Desert Aeolian Sand Foundation
毛乌素沙漠风积砂地基力学特性研究
14.
Challenge to the desertification reversion in Horqin Sandy Land
科尔沁沙地沙漠化土地恢复面临的挑战
15.
It's the biggest desert in the world- about the size of the US!
撒哈拉沙漠是世界上最大的沙漠——大约相当于美国的面积！
16.
A sandbar or a low-lying alluvial island in a river, especially one with a stand of trees.
沙洲沙洲或河流中略高出水面的冲积岛，尤指有一片树木的
17.
The ground was covered with snow.
地面上覆盖着一层积雪。
18.
They decided to bring more land under cultivation.
他们决定扩大耕地面积。