检验

About the problem of hypothesis testing for the problem of estimate interval,first of all,we set statistic and the distributions of the statistic.Fron this ,we derivate the methods of testing.

对于点估计问题，讨论了估计的优良性质；对于区间估计问题，讨论了估计的精度；关于参数的检验问题，首先建立检验用的统计量及其分布，由此导出检验的方法。

In this paper,the autocorrelation efficients are proved not suitable for testing the efficiency of stock market and then Dickey Fuller test is gived to test the efficiency of weak form of the SSE.Four month daily closed pri...

本文首先指出利用自相关系数进行检验的不合理性，然后给出了DF检验，最后利用1995年7月至10月4个月的每日股票收盘价检验了5种上市公司股票，它们都满足弱有效性

The sixth, this thesis synthetically utilizes many kinds of modern statistical method and the econometrics model to research how policy event affect stock market influence, especially it has successfully applied the condition VaR model, Hesin test, BDS test, recursion BDS test, VAR model and pulse response analysis, EGARCH model and news response curve in the empirical analysis, and obtains some regular conclusion.

六、将多种现代统计方法和经济计量方法综合运用于政策事件影响中国证券市场波动问题的研究中，特别是成功地应用了条件VaR模型、Hsieh检验、BDS检验、递归BDS检验、经济计量模型、VAR模型及脉冲响应分析、EGARCH模型及其消息反应曲线等方法，得出了若干有意义的结论。

This paper reviewed the history of inspection and quarantine on quality and technology based on giving a brief account of the entry and exit of inspection and quarantine administration.

本文从出入境检验检疫管理概述入手，回顾了出入境检验检疫的由来和发展史，简要介绍了出入境检验检疫管理工作职责。

T test was applied to measurement data and chi square test or its continuity correction to enumeration data.

s表示。计量资料采用t检验，计数资料采用χ~2检验或校正的χ~2检验。

An sufficient condition under which the exact F test is uniformly most powerful unbiased test is discussed.

对于给出的精确的F检验给出检验存在条件以及是一致最优无偏检验的条件。

Then behind that credit card, if you want to get into secure locations, be it a nuclear power plant or an airport or busy commercial airport, you have to put your ID card in a reader, put your thumbprint or handprint on a reader and we verify you are who you say you are by having this national database, national security database.

这样，用这张信用卡，如果你想进入安全的地方，比如核能厂、机场或繁忙的商务机场，你得将卡插入检验机，将你的拇指指纹或手印输入检验机，通过我们的全国数据库--全国安全数据库，我们就可以检验你的身份。

In general, this paper includes several parts, shown as the following: The first part summarizes the background and outline of stock index future and introduce briefly its local status and CSI 300 stock index future contract. The second part has a retrospect of the main academic papers of both local or overseas, and also a discussion of relevant hedge strategies and models, to lay a solid theoretical foundation for the empirical analysis and test for the operation process of hedge in latter parts. The third part outlines the principle, key factors and real operation process of hedge. Moreover, it makes a empirical analysis on popular hedge models with HK Hang Seng index. In the end, it test the hedge effect of trading on IF0706, CSI 300 stock index future contract, with CCB select-growth securities fund as present underlying. The fourth and also the last part, explores how to define hedge ratio in china mainland market. It includes the stability test ofβfor local securities portfolio, adjustment of historicalβand best data length for estimation of historicalβ, etc. Also, the thesis makes some beneficial experiments on the definition of best data length for estimation of historicalβ, survey of fashion forβand variation for industryβs. Fortunately, it's got some meaningful results.

按照以上研究思路，本论文论述由以下几个部分构成：第一部分，简要概述股指期货产生的背景和基本情况，对国内股指期货进程和沪深300股指期货合约进行简单介绍；第二部分，回顾海内外股指期货避险研究的主要文献，讨论相关避险策略及避险模型，为后面套期保值策略如何有效运用的实证分析和检验提供理论基础和依据；第三部分，对套期保值的原理、关键因素及实际流程进行概述，并采用香港恒生指数对常用的几种避险模型进行实证分析，最后一揽子以建信优选成长股票型基金为现货标的，实际检验以沪深300股指期货模拟交易IF0706产品进行对冲时的套期保值效果；第四部分，探讨国内确定避险比率的过程，包括国内股票组合β值的稳定性检验、历史β值的修正及估计历史β值的最佳数据长度等，通过数据分析，本文在寻找估计β值的最佳数据长度和考察风格、行业β值的差异上做了较为有益的尝试，并得到了有助于现实操作的结果。

There are two goals in this article. The first one is to investigate an EOQ model with immediate return for imperfective items under an increase of price. Another purpose of this paper is to investigate and EOQ model with immediate return for imperfective items under imperfect inspection.

本研究之目的分为两部份，第一即是针对进货中检验出之不良品可立即退货之产品，探讨在价格预期上涨下之最佳订购批量；第二是针对进货中之不良品於百分百筛选检验中会有检验误差，且判定为不良品会立即退货之条件下之最佳订购批量。

In this paper,the compatibility test and consistence test are compared,the included angle cosine method for compatibility test based on priority vectors of judging matrix is put forward,and finally,the simplicity and effectiveness of the method is demonstrated with a numerical example.

对相容性检验和一致性检验进行了比较，分析了这2个指标的异同，并从判断矩阵的排序向量出发，提出了相容性检验的夹角余弦法，最后通过一个算例说明该计算方法简洁有效。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。