结果表明：（1 ）影响乔木、灌木和草本层植被格局变化的首要因子都是地形特征；
The results are as following: (1)The topographic characteristics are critical for the spatial variations of vegetation.
自然界的植被格局是多样、壮观和永恒变化的。
Vegetation pattern in nature is diverse, spectacular, and ever-changing.
自然界的植被格局是多样、壮观和永恒变化的。
Vegetation pattern in nature is diverse, spectacular, and ever-changing.
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