“theory of human races origin”的概念、定义、翻译、参考文献-科学参考

单词	theory of human races origin
释义	theory of human races origin Encyclopedia 理学人种学释 theory of human races origin人种起源理论研究人种是在什么时候从哪一阶段人类开始形成的和怎样形成的理论。
随便看	fish farming vessel fish fecundity fish feeding fish feeding intensity fish feeding migration fish feeding rhythms fish fillets fish finder fishfinder fish food coefficient fish freshness inspection fish friendly hydroturbine fish fullness fish galvanotaxis fish genital gland indices fishgrading machine fish graph fish growth equation fish growth pattern fish growth rate fish gutting machine fish gynogenesis fish headcutter fish head kidney fish hypoxia adaptation

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。