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1·The raising of livestock is a major economic activity in semiarid lands, where grasses are generally the dominant type of natural vegetation.

在半干旱地区，草地通常是最主要的天然植被，而该地区主要的经济活动是家畜饲养。

2·Desertification is accomplished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water.

起到稳定作用的自然植被不断减少，随后土壤受风雨的侵蚀加速，就成为了沙漠化的主要成因。

3·The protection of natural vegetation has been placed on the agenda.

自然植被的保护已经提上日程了。

4·Adaptable slope orientations for the 9 natural vegetation types had been confirmed.

确定了9个自然植被类型的适生坡向。

5·The natural vegetation is well developed in forest landscape area, Great Xing′an Range.

大兴安岭地区为森林景观区，植被十分发育。

6·The natural vegetation consists of 4 vegetation types, 10 formations and 10 associations.

自然植被分为4个植被型、10个群系和10个群丛。

7·Increasied annual precipitations have played a positive role to improve Natural vegetation NPP.

年降水量的增加对提高自然植被净第一性生产力具有积极作用。

8·Weathering steel siding blends with the natural vegetation and provides a low maintenance exterior.

粗糙的钢铁护墙板与自然植被相互融合，是一个不用太多打理的室外结构。

9·Arresting architectural forms playing off natural vegetation create a sensory experience. Nice work!

巧妙的建筑设计，精到的自然植被配置，创造出感性的体验空间，好作品！

10·This period, the marsh reeds mainly transform into farmland, natural vegetation and salinization land.

这时期芦苇沼泽主要转换为耕地、天然植被和盐渍化土地。