但荒漠区自然分布的旱生植被这一事实说明了，旱生植物幼苗具有的特殊适应机制使其能顺利度过生命历程中的第一个旱季。
Weather or not the vegetation restorationand rebuilt can be achieved will largely depend on weather or not sprout can build up the mechanism to resist dry stress.
沙地的原生植被以多年生草本和旱生灌木为主。
The natural vegetation in the sand ground relies mainly on the perennial herbaceous and the drought shrub.
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