An exhortation or advertisement encouraging people to study philosophy. One is mentioned in Plato’s dialogue Euthydemus (278e–282d), and Aristotle addressed one, now lost, to Themiston the King of Cyprus.
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。