国开行发行1年期债券，规模60亿元，发行利率1.3273%，预期1.4000%，投标倍数3.43倍，边际倍数5.28倍；国开行发行3年期债券，规模50亿元，发行利率1.6078%，预期1.5200%，投标倍数3.27倍，边际倍数7.88倍。

Group 1 - The China Development Bank issued a 1-year bond with a scale of 6 billion yuan and an issuance rate of 1.3273%, compared to an expected rate of 1.4000%, with a bid-to-cover ratio of 3.43 times and a marginal ratio of 5.28 times [1] - The China Development Bank also issued a 3-year bond with a scale of 5 billion yuan and an issuance rate of 1.6078%, against an expected rate of 1.5200%, with a bid-to-cover ratio of 3.27 times and a marginal ratio of 7.88 times [1]