最后分析

Simulation results show that our algorithm enforces the adaptability of differential space-frequency modulation to the time delay expansion.Finally, we give our work to reduce the complexity of multiple symbol differential sphere decoding in differential space-time modulation. Through the modification of the enumeration strategy of the search tree in sphere decoding, we significantly reduce the complexity of detection at the expense of little loss on performance.

理论分析和仿真结果都验证了这种检测算法对长信道时延的适应能力论文最后还对差分空时调制中的多符号检测算法进行了研究，提出了一种降低差分空时调制系统中多符号差分球形译码算法复杂度的方法，通过改进球形译码中搜索树的排序策略，使得系统在牺牲较少性能的基础上大大降低了算法实现的复杂度。

At last, the analysis of theory and experiment show that the approach is effective.

最后，理论分析和实验表明这种方法的有效性。

This model can be used to study the atomic behavior in the intense light field.

最后给出了这个模型的场为相干态时的一个解，并对解进行了分析。

Distributing the index finally demand and application of rate of even distributinging attaint arrive in general model, through calculating exemple undertake sensitivity is analysed.

最后将指数分布需求和均匀分布损坏率应用到一般模型中，通过算例进行敏感性分析。

At last, by discussing the implement of a particular application system, multimedia cooperative authoring system on the NASS, the performance advantage based on NASS is analyzed.

最后，通过讨论一个具体的应用系统，多媒体合作著作系统，在NASS结构上的实现，分析了基于NASS结构的合作著作系统在性能上的优点。

This paper designs shielding and guarding for the circuits, aimed to enhance the stability and reduce error. At last, this paper calibrate the system is using autocollimator and 12 edge glass, and gives the position error, repeatability and acceleration feature.

最后，本文对设计的测角系统进行了实验测试，实验和分析结果表明，本课题所设计的测角系统，其位置精度、测角重复性和加速度性能均满足系统设计要求。

Methods The clpE-deficient strain was constructed by LFH-PCR and identified by PCR and sequencing. The impact of clpE mutant on the virulence of S. pneumoniae was evaluated in a mouse model. In addition, we also studied the effect of clpE mutant on adherence and invasion of host cells. Real time RT-PCR was used to measure the mRNA expression levels of autolysin A, pneumococcal surface adhesion A, pneumolysin, pneumococcal surface protein A and neuraminidase The clpE gene was replaced completely by erm cassette.

用长臂同源多聚酶链式反应方法失活clpE基因，用PCR、测序鉴定缺失菌株，通过动物实验观察clpE基因缺失株毒力改变情况，同时用细胞实验比较clpE基因缺失株和野生菌对宿主细胞的粘附和侵袭能力，最后用实时荧光定量PCR分析自溶素(major autolysin A，lytA)、表面黏附素A(pneumococcal surface adhesion A，psaA)、溶血素(pneumolysin，ply)、肺炎球菌表面蛋白A（pneumococcal surface protein A， pspA和神经氨酸酶（neuraminidase， nanA）的表达。

It firstly gave the software and hardware environment, and then described its design plan and strategy detailedly on the base of analyzing the problems of today's automobilism simulator. Meanwhile, it builded the mathematics model, and gave the examining plan on collision of automobile. Then it elaborated systemly its achievement and basic algorithm of roaming system. Finally, it summed up the full text, and put forward the next prospect.

首先给出了该仿真系统实现的软硬件环境，然后在分析了当前驾驶模拟器仿真系统所存在的问题的基础上，详尽地描述了本系统的设计方案与实现策略，同时建立了仿真车辆实体的数学模型，并就车辆的碰撞行为给出了检测方案，接着，论文还就漫游系统的实现及其基础算法进行了系统地阐述，并就本仿真系统的特效处理给出CG语言的实现，最后，总结全文并给出了下一步工作的展望。

It firstly gave the software and hardware environment, and then described its design plan and strategy detailedly on the base of analyzing the problems of todays automobilism simulator. Meanwhile, it builded the mathematics model, and gave the examining plan on collision of automobile. Then it elaborated systemly its achievement and basic algorithm of roaming system. Finally, it summed up the full text, and put forward the next prospect.

首先给出了该仿真系统实现的软硬件环境，然后在分析了当前驾驶模拟器仿真系统所存在的问题的基础上，详尽地描述了本系统的设计方案与实现策略，同时建立了仿真车辆实体的数学模型，并就车辆的碰撞行为给出了检测方案，接着，论文还就漫游系统的实现及其基础算法进行了系统地阐述，并就本仿真系统的特效处理给出CG语言的实现，最后，总结全文并给出了下一步工作的展望。

Finally, the outline of autonomous decentralized system was described from technical maturity and advantage point of view respectively.

最后对自律分布系统技术进行了综述，并从技术成熟性和技术特点的角度对其进行了分析和讨论。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。