A professional middle-ranking officer of the Roman army. The title means ‘leader of a hundred’. The rigorous discipline, leadership and experience of the centurions made them a vital factor in the success of the professional army.
科学参考收录了60776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。