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				           		Then, using principal component analysis method, it set up the indicator system for land-use function district.
						        										 	
						        					            	 其次,采用主成分分析法确定土地利用功能分区指标。
								    				            	 youdao 
- 
				           		Then, using principal component analysis method, it set up the indicator system for land-use function district.
						        										 	
						        					            	 其次,采用主成分分析法确定土地利用功能分区指标。
								    				            	 youdao