Provincial;
Institute;
of;
Cultural;
Relics;
and;
Archaeology,;
Zhengzhou;
450000,;
China;
Joint;
Laboratory;
of;
Human;
Evolution;
and;
Archaeometry,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100044,;
China;
Royal;
Ontario;
Museum,;
Toronto;
0NM5S2C6,;
Canada;
Archaeology;
Research;
Center;
of;
Shandong;
University,;
Jinan;
250100,;
China;
早期人类; 磨损分析; 旧石器时代; 工具; 许昌; 哺乳动物化石; 现代人类; 动物骨头;