可实现的

Results show that, the double side excitation method, compared with the traditional single side one, can inhibit the multi-mode characteristic of Lamb waves and generate fundamental symmetric and antisymmetric modes at the relatively low exciting frequency. It can heighten the exciting effect and make it easy to analyze monitoring signals.

研究结果表明：与传统的单面激励方法相比，该激励方法能够抑制Lamb波的多模式特性，在频率较低的情况下可实现基本对称或反对称模式的产生，提高了Lamb波的激励效果，便于监测信号的分析。

On basis of analyzing the present research situation and existing question of Web knowledge acquisition, this dissertation mainly studies the essential technologies of concept semantic generation, the common text classification methods, user profile construction and approximate query technique based on concept. The main research works are shown as follows.

本文在分析网络知识获取相关技术的研究现状和存在问题的基础上，研究了概念语义生成技术、文本分类方法、典型用户会话模板生成方法以及基于概念的近似查询技术，主要取得以下研究成果：(1)借助NMF算法的分解结果具有实现上的简便性以及分解形式和分解结果可解释性的优点，提出一种基于NMF的概念语义生成方法。

Result indicates that lowest standard of market liquidity is that bargainer colony of buyer and seller both must have an appropriate proportion.

结果表明，市场流动性的最低标准是买卖双方的交易者群体要有一个恰当的比例，市场达到稳定流动性的时间与描述离开股市交易者的参数有关，通过交易制度对交易者群体参数的影响，可实现对市场过程的控制，最后给出仿真计算。

The initial model of the clasper binding machine was established based on conception design,and its optimization was made.The dynamics character of the clasper binding machine was analyzed base on the ADAMS,the virtual design was performed based on the SOLIDWORKS,and the stress and deformation under load was analyzed based on ANSYS.The result of the simulated analysis of virtual prototyping was verified by the experiment.

它是计算仿真技术与产品设计有机的结合，通过CAD/CAM/CAE等技术把产品的信息集成到一个可视的环境中，以实现在产品制造前就可以对整个产品进行完整的分析与方案的优化，观察并试验各组成部件的相互运动过程、受力分析、装配关系、性能特性等，使用系统仿真软件在各种虚拟环境中真实地模拟系统的运动，以便修改设计缺陷，不断改进设计方案，直至获得最优设计方案，再制造物理样机。

The subsynchronous oscillation characteristics of a synchronous machine connected to a static VAR compensator is studied with the complex torque coefficient method realized by time domain simulation, and some important conclusions are obtained which can guide the design and operation of SVCs to avoid SSO problem.

4基于时域仿真实现的复转矩系数法，对与静止无功补偿器SVC相联接的同步发电机组的次同步振荡特性进行了深入的研究，得出了一些重要结论，可为SVC的设计和运行提供避免SSO的依据。

Upon these grounds (which, when studied in detail, are seen to possess far greater cogency than can be conveyed by a mere summary) it is concluded by modern critics that Deuteronomy is in reality a work of the seventh century BC It is not difficult to realize the significance which the book must have had if it were written at this time.

后，这些理由（即，当详细的研究，被认为是拥有更大的cogency远远超过可传达的只是概要），这是总结近代批评申命记是在现实的工作，七世纪卑诗省，这是不困难实现的意义，这本书必须有，如果写在这个时候。

And the keytechniques are in the following:(1) The algorithm and program of intensified node arrangement near crack tip andalong crack line (2) The shape function calculation of point near crack based on visibility criteria (3) The contour integral method for calculation of stress intensify factor K_ⅠK_Ⅱ(4) The rock slope appraisal method using circular method, polygonal method orgraph theory method depending on the slope joints combination

程序实现的关键技术和算法如下：(1)沿裂隙结点布置及裂尖结点加密的算法及程序(2)采用可视准则的形函数算计算程序(3)围线积分计算复合型裂纹裂尖强度因子K_Ⅰ、K_Ⅱ的算法及程序(4)圆弧搜索法、折线搜索法和无网格—图论搜索法的算法及程序

Through function expansion and technique improvement of gun control system of combat vehicle, floating benchmark coordinate axis is used for system design based on the analysis of characteristic of each function error.

通过战车炮控系统功能扩充与技术改造，在分析各个功能误差特性的基础上，采用浮动基准坐标轴的系统设计，只用增加一个"数字控制器"，就可实现多项功能的综合，从而简化了系统的结构，降低了系统的成本。

Compared to NMR techniques, the fluorometric analysis method revealed that there are not only obvious interactions of quinoline or its derivates and cucurbit [ 7 ] uril, but also interactions of quinoline or its derivates and cucurbit[6]uril or cucurbit[8]uril which can not be observed by using ^1H NMR technique.

与核磁共振技术比较，荧光光谱分析方法具有高灵敏性的特点，不仅可观察到喹啉及其衍生物与七元瓜环相互作用而引起的荧光性质变化；还能观察到它们与六元瓜环或八元瓜环相互作用所产生的变化，这是通常的NMR方法所不能实现的。

In the case of the iterative learning control for linear continuous system with the initial error, a kind of ILC approach with compensation to the initial error is presented using the theory of the two dimensional (2 D) linear continuous discrete system.

针对线性连续系统迭代学习控制中含有固定初始误差的情形，利用二维系统理论给出了一种带有初始误差修正的迭代学习控制方案和这种迭代学习控制规律收敛的条件，并说明由此设计的迭代学习控制器简单有效，可实现在初始时间段以外部分对期望轨迹的完全跟踪。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。