2016年10月1日起，人民币正式纳入特别提款权（SDR），成为美元、欧元、日元和英镑以外的第五个篮子构成货币，也是自欧元1999年取代法国法郎和德国马克以来首次加入的新货币。过去五年，人民币国际化稳步推进，SDR价值显著提升。疫情之下，全球经济金融 ...

Special drawing right, or SDR, is an international currency reserve to supplement IMF member countries’ official reserves. It was created by the International Monetary Fund (IMF) in 1969 to allow ...

The article makes the case for software defined radio (SDR), and discusses strategies for balancing flexibility, energy efficiency and spectrum use. It looks at different hardware architectures, ...