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古生物化石是鉴定和对比地层、了解地球历史的重要根据,是研究动物与人类起源、发展历史及其规律的珍贵材料,也是人们
Paleontological fossils are the important basis for identifying and contrasting stratigraphy and understanding the history of the earth. They are precious materials for studying the origin, development history and laws of animals and human beings as well as for people