周四（8月28日），美联储隔夜逆回购协议（RRP）使用规模为319.66亿美元。

Core Points - The scale of the Federal Reserve's overnight reverse repurchase agreement (RRP) usage was $31.966 billion on Thursday, August 28 [1] Group 1 - The Federal Reserve's RRP usage indicates liquidity management in the financial system [1] - The reported figure reflects ongoing monetary policy measures by the Federal Reserve [1] - The RRP program is a tool used by the Federal Reserve to help control short-term interest rates [1]