国开行发行1年期债券，规模60亿元，发行利率1.3716%，预期1.4000%，投标倍数4.33倍，边际倍数2.29倍；国开行发行3年期债券，规模50亿元，发行利率1.5977%，预期1.6000%，投标倍数3.42倍。

Group 1 - The China Development Bank issued a 1-year bond with a scale of 6 billion yuan and an issuance rate of 1.3716%, compared to an expected rate of 1.4000%, with a bid-to-cover ratio of 4.33 times and a marginal ratio of 2.29 times [1] - The China Development Bank also issued a 3-year bond with a scale of 5 billion yuan and an issuance rate of 1.5977%, compared to an expected rate of 1.6000%, with a bid-to-cover ratio of 3.42 times [1]