Investors fleeing from risk drove the dollar up and pushed the yield on one-month Treasury bills into negative territory for the first time in ten months.
投资者撤出风险投资使美元汇率上升，把1月期国库券收益推到10个月以来的首次负收益边缘上。
Yields on Italian debt came off recently, with the yield on 10-year bonds falling below 6 percent for the first time since October.
最近意大利公债的收益率下降，10年期公债的收益率在10月份之后首次下降到6%以下。
For the first time since 1957, the dividend yield on the Standard &Poor's 500-stock index (3.3%) exceeds the interest yield on 10-year Treasuries (2.2%).
因为自1957年以来，在标准普尔500支股票目录中的分红收益率（3.3%）均高于10年国债的收益率（2.2%）。
The drop pushed the yield spread between 10-year Italian securities and similar-maturity German debt to more than 2 percentage points for the first time since 1997.
意大利10年期国债收益率和德国10年期国债收益率的差距加大，1997年以来首次超过2%。
The enzyme activity of persimmon root range soil and the relation, between the enzyme activity and agrochemical property and persimmon yield are studied for the first time.
首次研究了月柿根际土壤酶的活性及其与土壤农化特性、月柿产量的关系。
The theory on limitations of direct coal liquefaction oil yield has been found for the first time.
首次建立了煤炭直接液化油收率极限理论。
The theory on limitations of direct coal liquefaction oil yield has been found for the first time.
首次建立了煤炭直接液化油收率极限理论。
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