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		基于KNN机器学习方法对青藏高原唐古拉地区表层土壤水热状况的模拟
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			Simulation of the water-thermal features within the surface soil in Tanggula region, Qinghai-Tibet Plateau, by using KNN model
			 
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		 图4. 不同深度土壤温度实测值(Obs)与KNN模拟值(KNN)对比  | 
	
Fig.4. Comparison of observed soil temperature (Obs) and KNN simulated value (KNN) at different depths  | 
	
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