It is probably the ultimate channel for bringing the scourge of sand under permanent control to change from artificial vegetation to natural vegetation as soon as possible.
人工植被尽快向大面积天然植被过度，也许是根治沙害的终极途径。
It is best to assume that most native vegetation will give permanent or semi-permanent shade.
我们最好假设大多数的本地植被可以提供永久性或半永久性的遮阳效果。
It is best to assume that most native vegetation will give permanent or semi-permanent shade.
我们最好假设大多数的本地植被可以提供永久性或半永久性的遮阳效果。
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