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Rainfall-Interception Effect of Vegetation Restored Region of Gully in Arid-Hot Valley of Jinshajian
This paper divides the process of rainfall redistribution into four levels in vegetation restored region of gully in ari......
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The Great Gatsby,its artistic merit lies in the original and successful use of symbolism to convey the philosophical and......
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通过利用分段三次多项式插值法将地形图中的等高线分段来求曲线的表达式,然后对每段上的表达式采取曲率最大值法,得出等高线弯曲变......
