Deserts make up one third of the Earth's land surface.
沙漠占地球陆地地表三分之一的面积。
Globally, forests now cover about 31% of the Earth's land surface.
就全球而言，目前森林覆盖约占地球陆地面积的31%。
One obvious impact is the radical alteration of the land surface.
一种显而易见的影响是大地表面剧烈的改变。
To alter the gradient of land surface for decreasing the energy of flow.
二是改变地表的坡度，减小水流的能量。
The coupling between hydrological model and land surface processes model.
水文模型与陆面模式的耦合研究。
The detachment and movement of soil from the land surface by wind or water.
地表土壤在风或水的作用下而产生的分离和运动。
Last month's global average land surface temperature was the fourth warmest on record.
上个月的全球平均地表气温，在有史以来的热榜上位居第四。
The assessment will cover the whole land surface of the Earth with about 9000 samples.
该评估将覆盖地球的整个地表并提供9000份样本。
Seepage from land fills can pollute ground water or surface.
填土的渗漏可能污染地下水和地面水。
Seepage from land fills can pollute ground water or surface.
填土的渗漏可能污染地下水和地面水。
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