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In the beamformer based on sample covariance matrix inverse algorithm, the calculation of weight vector comprises the components of interferences and noise. The projection method comprises the components of interferences. It induces the imperfective results of the beamformer.

摘要基于协方差矩阵加权的波束形成方法在计算加权向量时引进干扰和噪声的影响，投影方法在计算加权向量时引进干扰信号的影响，这些都造成了波束形成效果的不理想。

Iron ore: CISA said yesterday: 1 China won't make concessions; 2 China is ready for the breakdown of the price negotiation; 3 MoC and CISA will start a joint investigation on domestic trading of imported iron ore, and will cancel the import rights of incompliant traders, no matter whether they buy it at contracted or spot prices.

铁矿石：中国钢铁工业协会昨日表示：1）中方绝不会做出让步；2）中国对铁矿石价格谈崩已有准备；3）商务部和中钢协将联合调查铁矿石在国内的交易情况，将取消违规倒卖铁矿石的贸易商的进口资质，不管他们使用协议价还是市场价购买的铁矿石。

In this paper well use this covariant theory to discuss the prolongation structure of the integrable the inhomogeneous equation of the reaction-diffusion type: By establishing SL(2,R)principal bundle and its associated bundle and finding both 1-dimensional realization and 2-dimensional realization of its algera ,we can successfully give its AKNS-equations and Backlund transformation.

本文就是利用这套协变的延拓结构方法讨论了可积的非其次反应扩散型方程的延拓结构。通过建立SL(2，R)主丛及其伴丛，并找到其李代数的1维和2维实现，我们成功得到了其反散射方程和Backlund变换。

A vector inner product space defined by covariance is introduced in the above study, which greatly ease the theoretical analyst of principle and performance of image fusion methods.

在这一过程中引入了一种以协方差定义的图像向量内积空间，极大的简化了对融合原理和融合性能的分析。

Results:The vascular changes such as intimal proliferation of interlobular arteries were observed in 4 patients with 2～3-year disease duration,two of them had no clinical manifestation.

1.1 标本来源：1983年-1994年北京协和医院内科收治的SSc患者5例，均符合美国风湿病学会关于SSc的诊断及分型标准〔1，2〕。X线下行肾活检术4例，尸检1例。

The ITA committees and working groups will be at the centre of this .

国际隧协各委员会和工作组将站立在这个中心位置。

Cardiovascular Institute, Fuwai Cardiovascular Disease Hospital, Peking Union Medical College, Beijing 100037, China; Center for Disease Control and Prevention of Shun Yi District, Beijing 101300, China; Center for Disease Control and Prevention of Wujin District, Changzhou 213161, China; Beijng Ji Shui Tan Hospital, Beijing 100035, China; Institute of Geriatrics of Jiangsu Province, Nanjing 210024, China; Traditional Chinese Medicine Hospital of Shijingshan, Beijing 100043, China

作者：作者：胡泊，李卫，李印东，姜维平，李东，李骏，田秀珍作者单位：中国协和医科大学，中国医学科学院阜外心血管病医院，北京 100037 来源：医学期刊/医院管理与预防医学、卫生学收藏本文章

Based on the pre-treated Chinese annual economic data from 1985 to 2004,the paper makes the time series stability test,the co-integration test(Johansen maximum likelihood method) and Grenger causal test,and makes a positive analysis of the long-term stable relation between the foreign direct investment in China and the growth of China's economy,which proves that the foreign di...

本文根据经过预处理的1985—2004中国有关年度经济数据，进行了时间序列平稳性检验、协整检验(Johansen极大似然方法)和格兰杰因果检验，实证分析了外商在中国直接投资与中国经济增长之间存在的长期稳定关系，证实了外商直接投资是我国经济增长的一个重要原因，并提出一些政策建议。

Quantitative methods include ADF Unit Root Test, Johansen Cointegration Test and Granger Causality Test.

定量分析方法采取现代计量经济学方法——ADF单位根检验、Johansen协整检验和Granger因果关系检验。

This paper investigates the influence of the change and the volatility of RMB nominal exchange rate on the exports of China to Euro region during 1999 to 2005. The unit-root test, Johansen co-integration test and error-correct model are applied.

本文运用时间序列分析中的单位根检验、Johansen协整检验和误差修正模型，就1999年到2005年间人民币名义汇率变动对中国向欧元区国家出口的影响进行了实证分析。

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。