查询词典 estimating

As a result, some cost estimators now specialize in estimating only computer software development and related costs.

因此，一些成本估计，现在专门在估计只有计算机软件开发及相关费用。

To become certified, estimators usually must have between 2 and 8 years of estimating experience and must pass an examination.

成为认证，估计通常必须有2至8年的估计，经验和必须通过考试。

In view of the peaked and fat-tailed characteristics of financial return data distribution and its effect of clustering fluctuation and especially the "leverage effect" of fluctuation on VaR estimates and some efficiencies when estimating VaR with various assumptions of return data distribution,a semi-parameter approach based on EGARCH-VaR model is developed.

在综合考虑了金融收益数据分布的尖峰厚尾特征及其波动集群性，尤其是其波动的&杠杆效应&对VaR估计的影响以及各种假定收益率分布在计算风险价值时存在不足的基础上，提出了基于EGARCH-VaR的半参数方法，并且与正态分布和t分布假设下的GARCH模型的VaR计量方法进行比较，通过实证分析，并利用后验测试，表明基于EGARCH-VaR的半参数方法对风险价值的测度优于正态分布和t分布假设下GARCH模型的VaR计量方法。

In view of the peaked and fat-tailed characteristics of financial return data distribution and its effect of clustering fluctuation and especially the "leverage effect" of fluctuation on VaR estimates and some efficiencies when estimating VaR with various assumptions of return data distribution,a semi-parameter approach based on EGARCH-VaR model is developed.

证券风险是指未来证券价格或收益的不确定性或波动性，证券风险管理的基础和核心是对风险的定量分析和评估·国内外研究表明，金融时间序列通常带有一些明显的特性：金融时间序列的收益率分布存在尖峰厚尾性[1]及其波动具有集群性[2]；股票的价格波动还有&杠杆效应&[3]·这些显著

The Kalman filter and factor analysis methods combined with UV/vis spectrophotometry were proposed for estimating the chemical equilibrium constants of some analytical reagents.

利用卡尔曼滤波方法对滴定分析、化学平衡与色谱分析中重叠峰的解析进行了研究，拓广了卡尔曼滤波在化学中的应用领域。

Firstly, the principle and method of designing the combustion characteristics ofsmall grain-binding high-burning-rate propellant are analyzed and discussed, theburning behaviors and energy characteristic of the component content and binder andsmall grain propellant are respectively calculated by the estimating burning rateprocedure based on the chemical structure and characteristic of propellant, and theREALthermodynamics system software. The selection principle of component contentwhen designing the burning behavior and energy characteristic is analyzed.

首先，分析讨论了小球粘结高燃速推进剂燃烧性能设计原理及方法，采用基于推进剂化学结构与特征反应关系的燃速预估程序和REAL热力学系统软件分别计算了组分含量与黏结剂和小球药燃烧性能、能量性能的关系，分析了推进剂燃烧性能、能量性能设计时组分含量的选择原则。

At the same time it investigated the analysis of precision estimating and solving result, and also explicated the method of three-dimensional surveying adjustment restrained and the united surveying adjustment of ground net in survey of high-rise building construction.

同时，探讨了精度估算和解算结果分析，并论述了高层及超高层建筑施工GPS测量基线向量网的三维约束平差和与地面网的联合平差方法。

There are a few researches on predicting subsurface ground movements induced by shield tunneling via brief estimating method till now.

目前对盾构隧道施工引起的地表下土体变位进行预测分析的研究还相对较少，尤其是缺乏简单实用的工程估算方法。

And the feasibilities of these proposed methods for estimating subsurface ground movements induced by shield tunneling are verified via contrasting their analysis results with finite element analysis results and measured data of some typical project cases.

通过与有限元计算结果及一些典型盾构隧道监测数据的对比分析，证明提出的估算方法能够较好地预测实际工程中盾构隧道施工引起的地表下土体的变位情况。

Based on the method used to calculate ground elastic displacement around deep tunnel and some researches on gap parameter of shield tunnel, a brief method for estimating subsurface ground horizontal movement induced by shield tunneling is presented.

在深埋隧道周围土体弹性位移计算方法及盾构问隙参数研究成果的基础上，通过相应的分析和假设提出了一种预测盾构隧道施工引起地表下土体水平变位的简便估算方法。

There are two types of gold deposits in this area, namely altered rock type and quartz vein type.

本区金矿床包括两种类型：柴胡栏子金矿床为蚀变岩型金矿；莲花山和红花沟金矿床属石英脉型。

You were home and it was two weeks ago.

你回到了家里。当时是两周前。