国开行发行185天期债券，规模20亿元，发行利率1.3208%，预期1.3000%，投标倍数3.31倍，边际倍数1.25倍；国开行发行7年期债券，规模20亿元，发行利率1.6499%，预期1.6700%，投标倍数5.89倍，边际倍数1.03倍。

Group 1 - The China Development Bank issued a 185-day bond with a scale of 2 billion yuan and an issuance rate of 1.3208%, which was lower than the expected rate of 1.3000%, with a bid-to-cover ratio of 3.31 times and a marginal ratio of 1.25 times [1] - The China Development Bank also issued a 7-year bond with a scale of 2 billion yuan and an issuance rate of 1.6499%, which was lower than the expected rate of 1.6700%, with a bid-to-cover ratio of 5.89 times and a marginal ratio of 1.03 times [1]