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But there are limited roles for the information transmission effect of stock index future in stabilizing the spot market. This limitation comes from the followings: First, stock index future has a finite function of discovering price; Second, it is possible that stock index future transmits information with noise to the spot market; Third, the extent of the ways of explaining information affect to stabilizing the mark et; Forth, stock index future may bring about homogeneous information, make the market lose heterogeneous briefs, which may bring about frequent overacting.

但是，股指期货信息传递效应对现货市场的稳定作用具有一定的局限性，这种局限性源于：第一，股指期货有限的价格发现功能；第二，股指期货有可能向现货市场传递有噪音信息；第三，市场解释信息方式影响稳定作用发挥的程度；第四，股指期货引起信息同质性，使市场丧失信念多样性，更易反应过度。

You will hear someone sudden wealth in the stock market, what someone bankrupt is sad pleased, will also hear . someone earn million patrimonies in the stock market sudden risely, turn into naught in the slump again of regretful face. May 31th of 2007 goes to June a day, will be load in the historical work of the Chinese stock market, picking out pause to appear on market in three days, in 1432 stocks for be listed and traded fall to stop a number is 967s,400ses,804ses respectively, 270 among thoses stock falls to stop continuously for three days.

你在股市会听到有人暴富、有人破产的悲喜，也会听到有人在股市暴涨中赚得百万家财，又在暴跌中化为乌有的憾事。2007年的5月3 1日至6月3日，将被载入我国证券市场的史册，三天中，剔出暂停上市股，在1432只挂牌交易的股票中，跌停数分别是967只、400只、804只，其中270只股票连续三天跌停。

A stock price prediction model is founded on Artificial Neural Network with a hybrid training algorithm in the paper. The model is based on the predictability of stock market and quantitating part of the influence factors in stock market and using the traditional stock technical analysis method.

本文以股市的可预测性为基础，对股市部分影响因素进行量化，融合传统证券技术分析方法，使用本文提出一种混合训练算法，建立基于人工神经网络的股价预测模型，并对部分大盘股、个股的收盘价进行预测，评价预测模型的有效性。

This paper examines the relationship between liquidity risk and stock return with the trade data of the A shares in ShangHai Stock Exchange and Shenzhen Stock Exchange.The method used in this paper is two-pass cross-section regression.After decomposing the liquidity risk into systematic liquidity risk and individual liquidity risk,we find that both risks have significant effect on the stock return.

0引言近些年由于长期资本公司的倒闭以及美国国债市场当中刚发行的国债比发行很久的国债(off-the-run)等资产定价异常现象的发现，越来越多的学者认识到流动性是金融资产一个非常重要的特性，流动性资产定价一直是近来金融研究的热点问题，把流动性引入到资产定价模型当中，可以更加全面、准确的对金融资产进行定价。

China Stock Index Futures Research Center through the mainland stock index futures market research found that the lack of individual protection measures, such as from the first phase of the management of the parties and the market launch of stock index futures preparations watch, despite the risk of education, institution building, as well as stock index futures Simulation of a series of transactions, but we have not found one has for small and medium-sized retail, especially with regard to protection of small and medium-sized retail system.

中国股指期货研究中心通过大陆市场调研发现股指期货缺乏散户保护措施，比如从第一阶段管理层与市场各方对股指期货推出的准备工作看，虽然进行了风险教育、制度建设，以及股指期货的仿真交易等一系列的工作，可我们却在其中没有发现有针对中小散户、特别是有关中小散户保护的相关制度。

Stock shareholders, according to whether the name is written can be divided into bearer shares and bearer shares; according to the interests of shareholders and protection of difference can be divided into common stock and preferred stock; according to whether the amount can be divided into a nominal face value of stock and no-par value shares.

股票按是否写有股东姓名可分为记名股票与无记名股票；按股东的权益和保障的差异可分为普通股票与优先股票；按有无票面金额可分为有面值股票与无面值股票。

These issues are the eligibility of stock-ownership investment, juristic relationship in stock-ownership investment,juristic sequents in stock-ownership investment and differentiate and analysediscriminate between stock-ownership investment and other relevant legal systems.

股权出资的适格性分为理论和实践两个层面；股权出资法律关系包含主体、客体、内容三个要素；股权出资的法律后果包括直接法律后果和间接法律后果；股权出资与股权转让、股权互换、其他标的物出资相比具有特殊性。

Juristic relationship in stock-ownership investment includes three factors which are subject,object and content.Juristic sequents in Stock-ownership investment includes direct ones and inderect ones. Particularities exist between stock-ownership investment, stock-ownership transfer

对于股权出资交付的研究从股份转让的程序入手，把四种主要股权变动生效的要件整理、深化，从而提出股权出资交付的要求；笔者在现物出资风险负担基本原理的基础上，结合股权出资的特殊性，提出了股权出资风险负担的一些原则。

This paper concludes the questions in stock information construction of gas stations, expounds the methods of modern stock management , analyses the structure of the stock information construction of gas station, points out the trend of the stock information construction of gas station, and then puts forward the suggestion and way to information construction of gas station.

本文总结了加油站信息建设存在的问题，阐述了现代化库存管理的方法，从信息化建设的核心理念出发，对加油站库存信息化结构进行了分析，指出了未来发展的趋势，并对加油站信息化建设提出了建议和对策。

This paper concludes the questions in stock information construction of gas station s, expounds the methods of modern stock management, analyses the structure of the stock information construction of gas station , points out the trend of the stock information construction of gas station , and then puts forward the suggestion and way to information construction of gas station .

本文总结了加油站信息建设存在的问题，阐述了现代化库存管理的方法，从信息化建设的核心理念出发，对加油站库存信息化结构进行了分析，指出了未来发展的趋势，并对加油站信息化建设提出了建议和对策。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。