分组比较

With regard to Space Club Convergence the thesis deems that its distinguishing should abide by firstly using Exploratory Spatial Data Analysis to divide space regional groups and then choosing suitable spatial autoregressive model or spatial error model and spatial cross-regressive model to examine Space Club Convergence in the same group.

在对区域分组方法的讨论中，本文通过对各种方法的优缺点的比较后认为，能够充分考虑各种经济增长影响因素的相似性，并提取分组过程中各因素重要性的分类回归树分析方法是较适合时间俱乐部趋同的区域分组方法。

the paper introduces long curtate new unequal ofdm system.adopts long curtate unequal benefit to be not to require that the second order adding the circulation prefix,being therefore likely to lead into period stationarity,making use of signal therefore in launching an array,counting characteristic property realizing blind estimation of route.this technology includes three kinds of method : subspace decomposition,correlation matching,and maximum likeewise,monte carlo simulation show that whentheeb/no is low,function is better than the other kinds of method.

摘 要：提出一种采用不等长分组新的ofdm系统。采用不等长分组的好处是不需要加循环前缀就能在发射序列中引入周期平稳性，因此，可利用信号的二阶统计特性实现信道盲估计。信道盲估计主要分子空间分解、相关拟合和最大似然三种方法。结合monte carlo仿真表明，在信噪比较低时，结合子空间分解方法计算出的误码性能比其余两种方法好。

At last, this article discusses the coding method of STBC and introduces a new imbed coding method and give a simple decoding method.

最后探讨了空时分组码的编码方法，具体给出了一种简单的四发射天线传输实矩阵的编码方法并提出了一种基于嵌入码的准正交空时分组码的设计方法，并给出了一种比较简单的空时分组码的译码方法。

A simulation is done between MAODV and AODV with software. From the simulation results under different node speed, it indicates that MAODV could decrease the average of ETE delay and offer lower routing overhead effectively. MAODV can complete routing discovery, package retransfer and self-organize when the network topology is changed, MAODV routing protocol is useful to establish Ad hoc networks in military communication.

应用软件对MAODV路由协议和传统的ADOV路由协议进行了仿真，通过在节点不同移动速度下的网络性能进行仿真比较，结果表明，MAODV路由协议能有效地减小分组端到端传输的平均时延，降低协议开销，能够根据网络的拓扑变化进行自组织，完成路由的发现和分组的中转等基本功能，为自组网在军用通信中的运用奠定了基础。

With reading a mass of the documents about the rolling resistance and wet anti-grapping, there are 11 types semisteel belt tyres formularies designed in this paper by changing carbon black and SBR1502/SBR1712/BR9000 blending ratio, which answer for the actual demands of the tyre industry and have a certain extent engineering practicability.The DMA curves of 11 types tread rubber materials used in tires with the changes of temperature have been obtained by using Dynamic Mechanics Analysis technique on NETZSCH DMA242 instrument.

本文采用动态力学分析法，使用NEZSCH公司生产的DMA242型实验仪，获得了11种胎面胶的DMA温度曲线，从炭黑和生胶配比变化两方面，分组对不同系列的胎面胶的储能模量—温度曲线和损耗因子—温度曲线进行了分析比较，并参照1#胶料，对11种胎面胶—10℃～10℃和50℃～80℃的tanδ进行比较，讨论了炭黑及SBR1502/SBR1712/BR9000并用比的改变对胎面胶滚动阻力、湿抓着力的影响；在动态力学分析实验的基础上，还获得了11种胎面胶的生热率曲线，并分组进行了比较，研究了配方与生热率的关系。

The CAG repeat lengths in the AR gene were analyzed by somatic microsatellites. Results A significant difference was found in the CAG repeat number between the male acne patients （22.70 ± 3.09） and male controls （23.48 ± 2.83, P = 0.046）, but not between the female cases and controls （23.41 ± 2.87 versus 23.85 ± 0.21, P = 0.12）. In order to assess the risk associated with CAG repeats, the male and female subjects were dichotomized based on the median repeat length in the corresponding control group as the arbitrary cut-off point.

结果 男性病例组和对照组的CAG重复均数分别为22.70 ± 3.09和23.48 ± 2.83，两组之间差异有统计学意义（P = 0.046）；将对照组中CAG重复次数的中位数23作为分割点分组比较，长/短CAG片段在男性病例和对照中的分布差异有统计学意义，携带有CAG短片段的男性较携带CAG长片段的男性患痤疮的风险性明显增加（OR值2.07；95%可信限为1.21 ～ 3.54）。

On the other hand, comparing only the lowest-scoring people with the highest-scoring, the least-smiling were three times more likely than the biggest smilers to divorce.

另一方面看，仅仅比较最低得分组和最高得分组，笑容最少的人离婚的几率是笑容多的人的三倍之多。

This changed principle is: Normally the circumstance falls, the number with acquiescent TCP/IP accepts the size of buffer to be 576 byte according to transmitting unit, if set the size of this buffer more greatly, once a certain TCP/IP in group when data happening is wrong, all cent inter block in buffer of so whole data is allowed, will be lost and undertake; undertakes transmission afresh ceaselessly apparently conveying afresh, can affect ADSL to transmit the efficiency of data greatly.

这个更改的原理是：通常情况下，TCP/IP默认的数据传输单元接受缓冲区的大小为576字节，要是将这个缓冲区的大小设置得比较大的话，一旦某个TCP/IP分组数据发生错误时，那么整个数据缓冲区中的所有分组内容，都将被丢失并且进行重新传送；显然不断地重新进行传输，会大大影响ADSL传输数据的效率。

And through comparison with DES and analyses of security, the block cipher presents high degree of security, confusion and diffusion, and is easy to be realized.

通过仿真，说明了该分组密码体制是可行的；通过对其安全性进行分析并与DES相比较，说明该分组密码体制具有较高的安全性，具有很好的混乱特征和扩散特征，并易于实现。

serum psa levels were detected by chemiluminescent immunoassayin 65 patients with prostate carcinoma and 116 patients with benign prostatic hyperplasia.

采用化学发光免疫分析法检测前列腺癌患者(65例)和前列腺增生患者(116例)血清psa水平，同时利用b超测定患者前列腺体积，计算出psad值，对患者进行分组比较。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。