查询词典 survey

The reasons have less to do with the faltering US economy than such factors as more career opportunities, improved quality of life and family ties in their native countries, according to a survey by Duke University.

杜克大学的一项研究显示，技术移民的这股"回流潮"与美国经济低迷并无多大关联，回国者更多受到本国就业机会增多、生活质量提高和家庭关系等多重因素的影响。

"They are hearsay reports, the survey is true, but others can not say too much."

"他们的报道都是传闻，接受调查确有其事，但别的没办法说太多了。"

More than thirty years has passed since the perambulation and exploration of geothermal resource in Beijing since the beginning of 1970s. The survey on the geothermal geology and study on geochemistry and heat reservoir engineer have promoted the geothermal exploration in early times. Thus further understanding of the geological structure of the geothermal field has been made in Beijing, which is still improving.

北京地区地热资源的勘查开发自20世纪70年代初以来已经走过了30多年的历程，通过对地热地质条件的调查、地球化学研究和热储工程研究，积极推动了早期的地热开发工作，对北京各个地热田地质构造已经有了比较深的认识，并正在不断完善。

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。

In this study we report on both Global and Hedonic WB assessed in a 2008 telephone survey of 340,847 people in the United States.

诸如压力和愤怒等消极情绪在人们经过20多岁的早期之后下降，担忧在50岁之后下降。

But the survey revealed a strong hedonistic streak -- 13 percent would sit back, accept the inevitable and reach for a glass of champagne.

但是这项调查也揭露了一个强烈的享乐主义特征，13的人会选择坐回自己的位子，接受这不可避免的事实并要上一杯香槟。

The research, by the economist Helene Couprie, is based on a sample of more than 12,000 men and women in the British Household Panel Survey.

这项由经济学家海琳·考普里所做的调查主要基于"英国家庭专门调查"的1万2千多名男性和女性。

Methods A three-year follow-up survey of intestinal helminthiasis infection rate was made in Wujiang country by fecal examination using Kato-Katz thick smear and saturated brine floatation.

方法选择吴江市庙港镇合群村，连续三年运用改良加藤厚涂片法和饱和盐水漂浮法，监测人群的肠道线虫病感染情况。

A serological survey on tetanus antibody level was carried out. Serum samples from 346 women of 18-38 years old living in Beijing were tested with indirect hemagglutination.

为了解在北京市居住的育龄期妇女破伤风抗体的水平，在1998年采用间接血凝试验检测了346名在北京市居住的育龄期妇女破伤风抗体。

Methods The authors analyzed 42 children with hemoptysis by using the method of retrospective survey.

采用回顾性调查方法，对42例咯血原因待查患儿进行了病因分析。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。