查询词典 empirical curve

An empirical formula, r~x~-~y=0.618λ/sinθ, has been applied to carry out qualitatively structural analysis of the diffraction curve, and another r~x~-~y=7. 766/s to calculate the interatomic distance of some strong peaks from the reduced intensity curve.

用经验公式r~x~-~y=0.618λ/sinθ进行溶液衍射曲线I-θ定性结构的分析，而用另一经验公式r~x~-~y=7.766/s计算加权结构函数曲线s·i-s上某些强峰的原子间距。

This paper does an empirical study to Phillips curve with data of China based on introduction and analysis of their shapes and policy significance of the curve.

本文在介绍分析菲利普斯曲线三种形态及其政策含义的基础上，使用中国的相关数据对其进行验证。

The most commonly used non-parametric estimator for ROC curve is the empirical ROC curve.

因此，在医学统计中如何估计ROC 曲线一直是人们关注的研究课题。

But one major weakness of the empirical ROC curve estimator is its jagged form, since the true ROC curve is a smooth function.

在ROC 曲线的各种非参数估计中，经验ROC 曲线是最常用的方法，但经验ROC 曲线的函数值是跳跃的，往往与真实ROC 曲线的光滑性不符。

The empirical curve has since always been the enterprise uses for to analyze the market competition tendency and the development correspondence strategy method, and the experience which accumulates by the enterprise elders takes the main competition weapon, however the science and technology flies suddenly the progress, the enterprise defends stubbornly already has the experience instead to become the barrier which the enterprise develops, therefore in under the dispatch change environment, the experience and the extant channel foundation structure instead becomes the barrier which most difficult to overcome, the success enterprise must establish to the strategy direction sense of smell and continues the vicissitude management system to be able to survive.

一直以来经验曲线是企业用来分析市场竞争趋势及发展对应策略的方法，并以企业长年积累的经验作为主要竞争武器，然而科技的突飞进步，企业固守既有经验反而成为企业发展的障碍，因此在调度变化的环境下，经验及现存通道基础结构反变为最难克服的障碍，成功的企业要建立对策略方向的嗅觉和持续变迁管理体系才能生存。

The efficiency curve was fit using least-square method. The empirical formula of the efficiency curve slope of Ge detectors relative to their sensitive volume-S = a log + b -has been demonstrated in extremely large sensitive volume range. Using thisformula it can be estimated that the full en...

在极大的灵敏体积范围内，验证了锗探测器效率曲线斜率与其灵敏体积关系的经验公式：S=alogV+b，采用本公式可在小于3％的相对误差范围内，对已知灵敏体积的同轴HPGe探测器的全能峰效率随γ射线能量的变化作出估价。

The resulting curve breaks into two approximately straight lines. By purely empirical curve fitting method we obtain two straightline equations. Secondly, the recurrence interval and"rain-strength" relation curve on logarithmic paper will also br...

而在对数坐标轴内，频率和雨力的关系曲线，也分裂为二，分别用二次曲线和直线来配合，综合而成均方差很小的上海暴雨公式，以供市政规划设计的应用。

By introducing the exogenous supply shock variable into Phillips Curve and adding asset prices (e. g. housing price and stock price) and the exogenous demand shock variable to IS Curve, this paper applies GMM method to estimate the extended IS-PC Model between 1996 and 2006. The empirical results show that housing price has a notable positive impact on the output gap, while share price doesn't have. Lastly, the article puts forward corresponding enlightenments.

本文在菲利普斯曲线的解释变量中引入外部供给冲击变童，在IS曲线中引入了房价、股价等资产价格和外部需求冲击变量，以我国1996-2006年的季度数据为样本、采用GMM方法佑计了扩展后的IS-PC模型，实证结果显示房价对产出缺口有显著的正向影响而股价对产出缺口的影响不显著，并在此基础上提出了相应的政策启示。

The eighth chapter begins with discussion and empirical demonstration of Chinese benchmark rate, simulates and regresses the benchmark yield curve of Chinese bond according to the latest data, reviews factors having influence on Chinese benchmark yield curve through principal components analysis, illuminates the inescapability of regulation of Chinese bond yield structure through the comparative study on American bond yield curves with different terms.

第八章开始是对我国的基准利率进行探讨和实证分析，接着根据最新的数据来模拟和回归出我国国债的基准收益曲线，在此基础上运用主成分分析法考察了影响我国基准收益曲线的因素，并通过对美国不同期限国债收益率曲线的比较研究，来说明我国国债收益率结构的调整具有不可避免性。

The empirical study discovers that:(1) The information technology companies in Taiwan that invest in China shows better financial performance, growth opportunities and company assets than those that don't. It indicates that the companies investing in China have better performance, higher growth in the future, and the tendency to expand;(2) In terms of the relationship between the scale of investment and the performance of the parent companies, the information technology companies listed in Taiwan show an S curve while the top 100 information technology companies in 2005 lead to a U curve, which indicate that information technology companies adopt different management methods at different stages. The enterprises with better sales don't exceed the optimal degree of investment;(3) The growth opportunities of the information technology companies listed in Taiwan investing in China have positive

实证结果发现：（1）台湾资讯电子业赴大陆投资在财务绩效、成长机会与母公司规模皆高於未赴大陆投资者，显示出赴大陆投资者绩效较好、未来具有较高的成长、有大型化的趋势；（2）台湾上市柜资讯电子公司与2005年前百大排名电子公司大陆投资程度与母公司绩效关系分别呈现S型与U型，显示资讯电子业在不同阶段有不同的经营模式，营收较佳的企业未超过最适的投资程度；（3）台湾上市柜资讯电子业赴大陆投资之成长机会对财务绩效具正向影响，显示出大陆投资之成长机会愈高，则有较佳的财务绩效；（4）台湾上市柜资讯电子业之大陆投资程度会影响母公司成长机会，显示随著大陆投资程度的变动，明显牵动母公司的成长机会。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。