New parities for the world’s major currencies agreed at the Smithsonian conference in 1971. These were intended to replace the Bretton Woods system, which had broken down. The new parities agreed were rapidly found to be unsustainable.
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。