美国至7月23日20年期国债竞拍-得标利率配置百分比 85.3%，前值17.96%。

Group 1 - The core point of the article highlights that the bid-to-cover ratio for the 20-year U.S. Treasury bond auction as of July 23 was 85.3%, significantly higher than the previous value of 17.96% [1]