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By adopting the strategy that the different components of the residuals and the noise are approximated by uncorrelated random variables after the SIC,the complexity of the algorithm can be greatly reduced as the matrix inversion for MMSE is not necessary.

该算法通过将软干扰消除后的残余干扰和噪声的各分量近似为不相关的随机变量，使得在MMSE滤波时不必矩阵求逆，从而大大降低了计算复杂度。

Based on the model,the existence criterion of unique solution to the approximated system and its algorithm are proposed.

基于这一模型，提出了近似系统解的存在唯一性判据及其实现方案。

Theoretical analysis reveals that the reaction of the immobilized enzyme of low substrate concentration may be approximated to be of first order, while that of high substrate concentration to be of zero order.

经过对固定化酶反应动力学理论分析可知，实验条件下的低基质浓度区内测定的固定化酶反应可近似地作为一级反应，而在高基质浓度区内测定的固定化酶反应可近似地作为零级反应。

Initially, the approach involved a simple ring closure, but this technique failed because the deeper aponeurotic tissues could not be approximated without tension in the repair. The plug-and-patch technique also failed to match the results of its open counterpart.

最早的术式为单纯环状缝合闭合术，但是存在深腱膜组织有一定张力的缺点；其次是堵塞和贴补术式，同样由于缺乏与开放式手术的竞争能力而宣告失败。

Having dyadic and recursive subdivision on image,having integral on Beamlet in each sub-square,the straight lines were approximated under GLRT and reconstructed.

利用一种Beamlet变换算法来提取遥感图像中的线性特征，通过对遥感图像按二进、递归进行划分，利用灰度信息，积分计算每一小块图像中的Beamlets，结合梯度信息，通过广义似然比检验GLRT(generalized likeli-hood ratio testing)来检测判断符合条件假设的Beamlets，重建线性目标。

Thunbergii trees were established, and the sun survivorship curves were drawn with field data. The results showed that in the three plots, the height and basal diameter growth of regenerated young P. thunbergii trees had exponential, linear, and quadratic functional relations with age and the age structure was of spindle, discrete, and pyramid types, respectively. Most of the regenerated young trees were distrbuted at 0.3-1.2 m from their nearest standing trees, and the individuals of the young trees decreased near to or far from the nearest standing trees. Inplots Ⅰ and Ⅲ, the expected average life of regenerated young P. thunbergii trees had a decreasing trend with their increasing age, and the survival number of the population also decreased with increasing population age. The survivorship craves of regenerated young P. thunbergii trees in the two plots approximated to the type of Deevey Ⅱ, indicating that the young P. thunbergii populations in the plots were at stable development stage. The population structure of regenerated young P. thunbergii trees in plot Ⅱ was lesser integral, suggesting that the population was of declining types being related to human disturbance, slope and other environmental factors.

结果表明：(1) 3个样地中幼龄植株高生长、基径生长与年龄均分别呈指数函数、直线和二次函数关系；(2) 3个样地黑松幼龄植株年龄结构存在着明显差异，分别表现为纺锤形、残缺型和金字塔型；(3)幼龄植株主要集中分布在距最近立木0.3~1.2m，离立木越近或越远幼龄植株均逐渐减少；(4)对样地Ⅰ和样地Ⅲ黑松幼龄植株生命表和存活曲线的分析表明，随年龄的增加，黑松幼龄植株生命期望值基本上呈递减趋势，黑松幼龄植株种群存活数也随着年龄的增加而降低；样地Ⅰ和样地Ⅲ黑松幼龄植株种群存活曲线近似于Deevey Ⅱ型，表明2个样地黑松幼龄植株种群处于稳定发展阶段；(5)样地Ⅱ幼龄植株种群结构很不完整，表明该种群属于衰退型，与人为干扰及坡度等有关。

Firstly, the geometrical structure of the target is approximated by bilinear surface technology. Then, surface integral equations are formed. Finally, simulation calculation to representative dielectrically completely coated targets is conducted. Compared the high order MoM results with the results of literatures, good agreement is found between them.

建立目标的双线性表面几何模型，基于等效原理建立表面电磁积分方程，以典型的完全涂敷目标为例，采用高阶矩量法进行仿真计算。

Methods The gastral wedge of a relatively small width was rotated to the middle of the posterior wall of gastral wedge,the gastroduodenal anastomosis is approximated in Billroth Ⅰ method.175 consecutive patients were treated in this method.Results Less postoperative complications were recorded.

175例胃大部切除术后患者采用胃十二指肠小吻合口，小弯侧瓣向后旋转，使残胃小弯侧瓣口成为后壁之中点，残胃与十二指肠对端吻合的方法。

Each segment of line current can be approximated as a Hertzian dipole if each segment is much smaller then a wave length.

因此任意线电流在三度空间之三维向量电磁场即可以赫芝电偶极完整之远场及近场近似合成之。

Draw the structure of the predominant ionization state of histidine at pH1,4,8 and note that the ionization state can be approximated for each ionizable group independently.

画出组氨酸在pH1，4，8的主要解离状态的结构。注意每个可解离基团的解离状态都可以单独估计。

Don't listen to their haver, nothing of that sort.

别听他们胡说八道，根本就没那回事。

But bank's shares trade below their book value, suggesting that investors are skeptical.

但是，银行股票以低于账面价值的价格交易，这一点反应了投资者的怀疑。