航空装备教学方法及任职教育模式的研究与实践

揭示航空装备的内在联系,确立以功能作为航空装备认知主线的教学思想。构建了功能主线教学法和"1+X"任职教育模式,提升了航空装备创新教育水平。     

Semiparametric median residual life model and inference

For randomly censored data, the authors propose a general class of semiparametric median residual life models. They incorporate covariates in a generalized linear form while leaving the baseline median residual life function completely unspecified. Despite the non‐identifiability of the survival function for a given median residual life function, a simple and natural procedure is proposed to estimate the regression parameters and the baseline median residual life function. The authors derive the asymptotic properties for the estimators, and demonstrate the numerical performance of the proposed method through simulation studies. The median residual life model can be easily generalized to model other quantiles, and the estimation method can also be applied to the mean residual life model. The Canadian Journal of Statistics 38: 665–679; 2010 © 2010 Statistical Society of Canada     

属性、隶属度与字母词典型性

＂字母词＂这个术语从形式角度定义,采用内涵定义法。属性可以用来描述对象的隶属度。本文介绍一种利用隶属度来表示概念外延典型性的方法,可以用来描述字母词的典型性。     

负二项分布的推广

本文主要是在二项分布,多项分布,负二项分布的基础上,把负二项分布进一步推广,给出负N项分布的定义,推导出它的概率分布,并计算出其数学期望和方差.     

“多い”“少ない”作定语的表达形式及原因分析

日语形容词最主要的语用功能之一是作定语修饰名词,作定语时一般采用连体形的形式。但同样是形容词的＂多い＂＂少ない＂则不同,这类词为了实现定语的语用功能,需要根据具体情况采取多种表达形式。文章对＂多い＂＂少ない＂作定语时的几种表达形式及其原因进行了分析。     

基于VC++6.0添加用户的设计与实现

为了保证全国等级考试能够正常并且顺利的进行,要对服务器和考试机用户进行添加设置。利用VC++6.0实现对服务器添加KSGROUP组,考试机添加Administrators组的成员,考试机才可以以这个用户登录进行考试,使得每台考试用的考试机操作的目录相互独立,不能互相访问,保证系统的安全性。     

On the incidence–prevalence relation and length‐biased sampling

For many diseases, logistic constraints render large incidence studies difficult to carry out. This becomes a drawback, particularly when a new study is needed each time the incidence rate is investigated in a new population. By carrying out a prevalent cohort study with follow‐up it is possible to estimate the incidence rate if it is constant. The authors derive the maximum likelihood estimator (MLE) of the overall incidence rate, λ, as well as age‐specific incidence rates, by exploiting the epidemiologic relationship, (prevalence odds) = (incidence rate) × (mean duration) (P/[1 ? P] = λ × µ). The authors establish the asymptotic distributions of the MLEs and provide approximate confidence intervals for the parameters. Moreover, the MLE of λ is asymptotically most efficient and is the natural estimator obtained by substituting the marginal maximum likelihood estimators for P and µ into P/[1 ? P] = λ × µ. Following‐up the subjects allows the authors to develop these widely applicable procedures. The authors apply their methods to data collected as part of the Canadian Study of Health and Ageing to estimate the incidence rate of dementia amongst elderly Canadians. The Canadian Journal of Statistics © 2009 Statistical Society of Canada     

The macroeconomics of fertility in small open economies: A test of the Becker-Barro model for The Netherlands and New Zealand

Becker and Barro (1988) formulated a theoretical model which identified a range of macroeconomic variables which can temporarily or permanently affect fertility in small open economies. This article tests the Becker-Barro model with relevant data which covers most of the 20th century for two small open economies, namely The Netherlands and New Zealand. The results show that government subsidies for having children have a strong positive effect on fertility, while the provision of public pensions has a strong negative effect. The degree of intergenerational altruism appears to have been declining. Moreover, there is only weak support for the hypothesis that real interest rates positively influence fertility. Received: 2 March 1998/Accepted: 1 September 1999     

中国有线电视产业改革:竞争与规制

在中国广电系统积极推进有线电视产业化过程中,重构有线电视产业组织结构、促进有效竞争的同时,建立和完善其政府规制体系至关重要。本文在研判有线电视产业属性并分析有线电视产业现行管理机制存在问题的基础上,探讨对于进入产业化改造初期的有线电视产业,借鉴波特竞争模型,从微观主体重构、替代品竞争等方面提升有线电视产业的可竞争性。同时,提出构建有线电视产业规制体系的战略选择:设置专门的规制机构、严格进入规制、实施非对称规制,改进频道资源、节目内容的分类规制,加强规制立法,以提高对有线电视产业的规制质量,促进有线电视产业的良性发展。     

连续刚构桥V型墩"平衡支架法"施工技术研究

以义鸟宗泽大桥为背景，提出了连续刚构桥V型墩施工的新技术——“平衡支架法”施工技术，并对该技术的结构计算模式作了说明。该施工技术具有技术先进、节约材料、缩短工期、便于操作等特点，对同类桥的施工具有极大的参考价值，尤其对于桥型较宽、V肢夹角较大、0号梁段重量较大、不易设置外部支撑的V型墩高桥更能显示出其优越性。