T-bond futures is a financial derivative that derives from Treasury bonds.

国债期货是以国债为基础的金融衍生产品。

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An average cycle which is about 20 days was discovered in the time series of SSE T-Bond Index.

上证国债指数存在一个易变性变动的平均周期，约为20天。

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The 30-year T-bond stands at 2.82%, and three-month Treasury bills were sold last week for a yield of just 0.05%.

30年期国债收益率为2.82 ％ ，3个月国库券，上周实际收益率仅为0.05 ％。

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You wouldn't buy this bond at par because at par, meaning at $100- because then you wouldn't get any interest on it.

你不是以平价买入,平价买入,意思是以100面值买,否则就没有利息收益了

耶鲁公开课 - 金融市场课程节选

The monthly chart of the 30-year T-Bond goes back to 1995, when the yield peaked at 8.07%.

FORBES: Keep Your Eye on Treasury Rates

The 30-year-plus bond bull market is reflected by this long-term chart of T-Bond yields by year-they have declined from 15.2% to 2.91%!

FORBES: The Week Ahead: Can Diversification Ruin Your Return?

The daily chart of T-bond yields (right panel) shows that they have been in a broad trading range, lines g and i, since last September.

FORBES: Bond Indicator Identifies Market Top