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Then five methods to estimate interest rates of government bonds are comparative analysized. The implied term structure of Chinese bond's interest rates is estimated by the Nelson-Siegel model. Samples consist of spot rates with maturities of 3-month, 6-month, 1-year, 2-year, 3-year, 4-year, 5-year, 7-year and 10-year. Through principal components analysis, at least two factors are needed to capture the dynamics of the interest rates.

然后通过比较分析5种建立国债利率曲线的方法，采用Nelson-Siegel模型估计了中国的国债即期利率曲线，并取用估计出来的3个月、6个月、1年、2年、3年、4年、5年、7年、10年期的即期利率数据做样本，进行相关系数分析和主成分分析，发现至少需要两个因素才能较好的描述中国国债利率曲线的变动。

We have a good advantage over Arezzo but we can't under-estimate them as they had a good win over Rimini in the last game.

我们是有优势，但是不能低估他们，他们在上一场球对 Rimini 取得了精彩的胜利。

The algorithms then estimate F, B, and for all pixels in the unknown region.

算法然后估计六，乙，并为所有像素在未知区域。

The method and technical route of the B P model applied to estimate personnel establishment is established.

研究确立了反向传播 BP模型在测算人员编制中的应用方法及技术路线。

This thesis mainly concentrates on the the hadrons which are recently discovered by the BES Collaboration and the Babar Collaboration, mostly we use phenomenological models of hadron structure to estimate the hadron mass, to study the production properties and decay properties and so on.

进一步我们指出X(1835)在γ(1S)→γX(1835)和J／ψ→ωX(1835)中的产生率很小，因而很难被观测到，这样很自然地解释了为什么CLEO合作组在γ(1S)的辐射衰变中没有观测到X(1835)。

This paper brought up a model of power grid engineering cost estimate based on BP neural network.

本文提出了一种基于 BP 神经网络的电网工程估价模型。

The common thinking that the reunion sequel ispaleness and formulation is not right, and a fair estimate should be given to the novelof bel-esprit and beautiful woman. It ought to have a fit status on the history of theliterature.

也正因如此，我们理应站在一个全新的高度给才子佳人小说以公允的评价，并在文学史上给予其应有的地位。

A Canaletto drawing at Sotheby's, however, fetched $542,500, over twice the low estimate.

但是，索斯比拍卖行的一幅卡纳雷托的素描，拍出了542500美元的价格，比其较低估价还高出了一倍多。

Other measured markers, including stress hormones(cortisol,adrenocorticotropic hormone, growth hormone) in serum,lymphocyte subsets in peripheral circulation,cytokines(interleukin-1β,tumor necrosis factorαand interleukin-10) and glutamine in serum,seemed to be not effective to estimate the role of GI of the sports drinks in current study.

6本研究的其它测试指标，包括血清应激激素(皮质醇、促肾上腺皮质激素和生长激素)、外周血循环中淋巴细胞亚群(T细胞、B细胞和自然杀伤细胞)、血清细胞因子(白细胞介素-1β、肿瘤坏死因子α和白细胞介素-10)和谷氨酰胺似乎对评价运动饮料的GI的作用没有效果。

Under some suitable conditions, a priori estimate and a posteriori one are given.

在适当的条件下，得出该算法的先验与后验误差估计。

When it drizzles in summer,hiking can be pleasant.

在夏天下毛毛雨的天气里，徒步旅行甚是惬意。

This group was compared to 3 control groups: 6 uremic dogs which were sham dialyzed without dialysate so that no fall in the plasma urea occurred, and 12 uremic and 12 nonuremic animals that were not dialyzed.

这组相比，三对照组： 6尿毒症狗，其中深水无透析液透析，所以没有下降，血浆尿素发生， 12尿毒症和12 nonuremic动物被认为是不透析。