中国财政部发行91天期债券，规模300亿元，发行利率1.2231%，边际利率1.2634%，预期1.2600%，投标倍数3.28倍，边际倍数1.51倍；中国财政部发行182天期债券，规模600亿元，发行利率1.3243%，边际利率1.3832%，预期1.3300%，投标倍数2.30倍，边际倍数5.29倍。

Group 1 - The Ministry of Finance of China issued 91-day bonds with a scale of 30 billion yuan and an issuance rate of 1.2231% [1] - The marginal rate for the 91-day bonds was 1.2634%, with an expected rate of 1.2600% and a bid-to-cover ratio of 3.28 times [1] - The Ministry also issued 182-day bonds with a scale of 60 billion yuan and an issuance rate of 1.3243% [1] Group 2 - The marginal rate for the 182-day bonds was 1.3832%, with an expected rate of 1.3300% and a bid-to-cover ratio of 2.30 times [1] - The marginal bid-to-cover ratio for the 182-day bonds was significantly higher at 5.29 times [1]