国开行发行1年期债券，规模60亿元，发行利率1.3629%，预期1.4500%，投标倍数5.57倍，边际倍数1.02倍；国开行发行3年期债券，规模50亿元，发行利率1.6094%，预期1.5500%，投标倍数2.75倍，边际倍数1.12倍。

Group 1 - The China Development Bank issued a 1-year bond with a scale of 6 billion yuan and an issuance rate of 1.3629%, compared to an expected rate of 1.4500%, with a bid-to-cover ratio of 5.57 times and a marginal ratio of 1.02 times [1] - The China Development Bank also issued a 3-year bond with a scale of 5 billion yuan and an issuance rate of 1.6094%, against an expected rate of 1.5500%, with a bid-to-cover ratio of 2.75 times and a marginal ratio of 1.12 times [1]