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							PDF(540 KB) 
						
						
					试论我国华北地区第四纪冰期间冰期气候的孢粉组合特征
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}DISCUSSION ON THE CHARACTERISTICS OF POLLEN COMPONENTS IN THE CLIMATE OF QUATERNARY ICE AGES AND INTERGLACIAL AGES IN NORTH CHINA
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