标签:软组织 相关文章
Scientists Extract Soft Tissue from 68-Million-Year-Old Dinosaur Bone 科学家从6千8百万年之久的恐龙骨中提取软组织 U.S. scientists have recovered soft tissue from the bones of a near
发表于:2019-01-03 / 阅读(48) / 评论(0)
VOA2005(上)--环境科学探索