He was active in reforms of the imperial administration and of the army, which he recognized as the real basis of imperial power. In 208 he took an army to Britain to suppress a rebellion in the north of the country, and later died at York.
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。