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Making use of the space vector method, this article sets up two coordinate numeric control grinding motion model of elliptic taper piston, and researches on the law of error compensation for the systematic motion after dressing grinding wheel.

用空间矢量方法建立了椭圆锥体活塞的两坐标数控磨削运动模型，研究了砂轮修整后应对系统运动进行的误差补偿规律。

At first, this paper studies the structure and security situation of electric enterprises information network, then introduces the basic theory of intrusion tolerance. After that, we study the key technology of intrusion tolerance: set up a distributed intrusion detection system model based on mobile agent; study the object replication technology and improve the voting algorithm; analyze and research the elliptic curve encryption system.

论文首先研究了电力企业信息网络结构以及安全现状，接着介绍了入侵容忍的基本理论，然后着重研究了入侵容忍的关键技术：建立了一种基于移动Agent的分布式入侵检测系统模型；研究了对象复制技术，改进了表决算法；分析和研究了椭圆曲线加密体制。

The building European style, the former has a spacious verandah, behind the built Wai Gallery, the former stone walls decorated with fish year after year, deformation patterns on the money, Ming-chu, with rubble Lei Qi, do not have style, both sides of the gable is decorated with ladder-type model, the rear roof decorated with castle Embrasure, covers an area of large, beautiful environment, is rare Beidaihe outstanding modern architecture.

该建筑欧式造型，前有宽敞外廊，后面建有围廊，前墙装饰有石砌连年有鱼，变形钱纹图案，明柱用毛石垒砌，别有风格，两侧山墙装饰有阶梯式造型，后部屋顶装饰有城堡式垛口，占地面积较大，环境优美，是目前北戴河不可多得的优秀近代建筑。

Part three: An experiment study on the repair of peripheral nerve injury by NT-3 gene modified neural stem cells objective To investigate the effective treatment of peripheral nerve injury with NT-3 gene modified neural stem cells, to explore the feasibility of the treatment by means of gene transfection Methods 54 SD rats were divided evenly into 3 groups. The sciatic nerve transected model were made and sutured end to end with epineurium. The neural stem cell without NT-3 gene or with NT-3 gene modified were injected into triceps muscle one time a week, saline injected as control group. The nerve trunks of stomas and triceps muscle were acted as specimen three weeks、six weeks and nine weeks after operation.

最后，为了探讨神经营养素-3基因修饰的神经干细胞对周围神经再生修复的影响，从转基因角度探讨治疗周围神经损伤的有效方法，我们选用54只SD大鼠随机分为3组，造成坐骨神经切断损伤模型，神经外膜端端对位缝合后，于小腿三头肌每周分别注射生理盐水、未被神经营养素-3基因修饰的神经干细胞、及神经营养素-3基因修饰的神经干细胞。

A motion reference coordinate system of this quadruped robot and its simplified-structure of the multi-rigid body dynamics model are established. After kinematic and dynamic analysis, the kinematic equation, inverse kinematic equation and Jacobi matrix of the quadruped robot are presented, and the second kind of Lagrange dynamic equation group for simplified-structure of the quadruped robots multi-rigid body system is educed.

建立了该机器人的运动坐标体系，及其等效简化结构的多刚体动力学模型，对上述模型进行了运动学和动力学分析，给出了该机器人的运动学、逆运动学方程和雅可比矩阵，并导出了其简化结构多刚体系统的第二类Lagrange动力学方程组。

After the work process of this kind of humidifier is analyzed, it's mathematics model is deduced, according to the equilibrium principle of quantity, and the ultrasonic humidifier's dynamic performance is theoretically emulated in the article and practically tested.

在对该种加湿器的工作过程进行了分析后，根据质量平衡原理，推导出加湿器加湿的动态数学模型，并对一个具体的装置进行了动态性能仿真和实验分析。

The ideal vehicle convoy is built after the uniformly distributed load is used as the equipollent load. With the maximum function of influence line area under the vehicle convoy, the probability of specific vehicle convoy passing influence line alone and the total weight distribution of specific vehicle convoy, the maximum probability distribution of traffic load effect and under return perild are obtained. Finally, this load model is applied to the example.

模型中把均布荷载作为车辆荷载的等代荷载建立了理想车队，在求出车队影响线面积最大值函数、特定车队单独通过影响线的概率和特定车队总重分布的基础上，得出了车辆荷载效应最大值概率分布和给定评估期的车辆荷载效应最大值概率分布，最后将这一荷载模型应用到实例中。

After probability functions of principle component and error were determined, the generated model can be constructed using the expectation and maximization algorithm.

在利用主元分析作统计监控时，没有主元与变量之间的生成模型，出现了检测指标量度不一致且只能离线故障识别等缺陷。

Lung concentration-time data after oral administration of 50mg/kg body weight we re also best d escribed by a two-compartment open model. The parameter of male chicken were as following: t1/2 a 为 2.28S±0.657h , t1/2Ka1.090±0.193h, t1/2B 为 37.606±4.474h, AUC530.797±48.050*h, CL 0.095±0.008mg/kg/h/, Tmax 5.256±0.442h, Cmax 9.044±0.016ug/g.

公鸡肺脏主要的药代动力学参数：t1／2 α为2.285±0.657h、t_(1/2Ka)为1.090±0.193h、t_(1/2β)为37.606±4.474h；AUC为530.797±48.050~*h、CL为0.095±0.008mg／kg／h／、T_为5.256±0.442h、C_为9.044±0.016μg／g；母鸡肺脏主要的药代动力学参数：t_(1/2α)为1.556±0.825h、t_(1/2Ka)为0.732±0.101h、t_(1/2β)为23.304±2.320h；AUC为395.073±12.095~*h、CL为0.127±0.004mg／kg／h／、T_为3.584±0.440h、C_为10.691±0.542μg／g。

Furthermore, a content adaptive IMC algorithm in MCTF, composed of two estimation models, is put forth to reduce the ghosting artifacts. One model is based on characteristic of subbands coefficients for low activity region estimation, and the other is to estimate the MV accuracy in high subbands from the energy after ME. Artifacts, caused by inaccuracy ME or update step, can be reduced effectively by the estimation models.

根据小波变换的子带系数特性，建立了图像平坦区域的估算模型；根据运动估计后的高频子带能量，建立了运动估计准确程度的估算模型，从而实现了具有内容自适应特性的MCTF反向运动补偿算法，减小了ghosting伪影，克服了由于运动估计的不准确以及更新步骤可能导致的低频子带反向补偿误差。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。