Beipiaopterus相关论文
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The cross-section and surface structures of wing membranes from the ctenochasmatid pterosaur Beipiaopterus chenianus wer......
The cross-section and surface structures of wing membranes from the ctenochasmatid pterosaur Beipiaopterus chenianus wer......
