中国财政部发行10年期债券，规模1000亿元，发行利率1.6875%，边际利率1.7062%，预期1.7000%，投标倍数4.30倍，边际倍数1.15倍；中国财政部发行30年期债券，规模710亿元，发行利率1.8840%，预期1.8800%，投标倍数4.47倍，边际倍数1.06倍。

Group 1 - The Ministry of Finance of China issued 10-year bonds with a scale of 100 billion yuan and an issuance rate of 1.6875% [1] - The marginal rate for the 10-year bonds was 1.7062%, with an expected rate of 1.7000% and a bid-to-cover ratio of 4.30 times [1] - The Ministry also issued 30-year bonds with a scale of 71 billion yuan and an issuance rate of 1.8840%, with a bid-to-cover ratio of 4.47 times [1] Group 2 - The marginal bid-to-cover ratio for the 30-year bonds was 1.06 times, while the expected rate was 1.8800% [1]