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				           		主要论述深部地幔的组成、地球化学及深部流体研究的进展。
						        					            	 This paper deals with the advance in study of the composition, geochemistry and deep seated fluids of lower mantle.
								    										 
								    				            	 youdao 
- 
				           		主要论述深部地幔的组成、地球化学及深部流体研究的进展。
						        					            	 This paper deals with the advance in study of the composition, geochemistry and deep seated fluids of lower mantle.
								    										 
								    				            	 youdao