日本央行：如果长期利率迅速上升，将采取灵活应对措施，包括增加债券购买、进行固定利率债券购买操作，以及对集中抵押品使用资金供应操作。

Core Viewpoint - The Bank of Japan (BOJ) is prepared to implement flexible measures in response to a rapid increase in long-term interest rates, which may include increasing bond purchases and conducting fixed-rate bond purchase operations [1] Group 1 - The BOJ will consider increasing bond purchases as a response to rising long-term interest rates [1] - The central bank may also engage in fixed-rate bond purchase operations to manage interest rate fluctuations [1] - Additionally, the BOJ plans to utilize funding supply operations related to concentrated collateral [1]