A concept fitted to that of a perfect duty, identified by Grotius and Pufendorf. The holder of a perfect right can ‘require’ the subject under the related duty to perform that duty.
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。