模特征

For the slight damage of latticed shell structures, a damage characteristic vector with good properties is presented based on the phenomena of mode localization and transition.

针对网壳结构的轻度损伤，基于模态局部化和跃迁现象，提出了一种性质优良的损伤特征向量。

In scale space,the local extremum ofwavelet transform modulo of image not only describes the local characteristics of ir-regular structure of image but also displays distribution of local singular point s.

在尺度空间，图像的小波变换模局部极值能在刻画图像不规则结构的局部特征的同时，给出它们的局部奇性点的分布。

The contribution of the truncated modes to eigenvector sensitivity is expressed in a Neumann series of matrix in this method, and eigenvalue's displacement is introduced to control the convergence of the series.

该方法是用Neumann矩阵级数的形式来等效未知模态对特征向量灵敏度的贡献，并引入特征值移位量来控制矩阵级数的收敛性，从而明显地提高了计算效率。

From obtain a data to arrive present a result, labVIEW is had can ensure the flexibility that measures an outcome accurately and modular group change character.

从获得资料到呈现成果，LabVIEW都领有能够确保切确测量成果的弹性及模组化特征。

The effect of various structural modification on the natural frequency was evaluated and optimization design of the structure was presented.

床身结构的设计尺寸和布局形式，决定了其性能的优劣，如静、动刚度的大小和结构的模态振型等特征。

The personality characteristic of judicial polices tended to extroversion, the male did to emotional irritability, mental health conditions were generally poorer and related to psychotisim and nervosity features; the results of the EPQ, SCL 90 and SRHMS could be used as norm for judicial polices in Beijing.

司法警察的个性特征倾向于外向，男性情绪趋向于不稳定，心理状况普遍较差，且与神经质和精神质特性有关；症状自评量表、自测健康量表、艾森克个性问卷调查结果可以作为北京市司法警察的常模使用。

In order to solve the fault location problem, this paper analyzes the electric structure of automatic blocking and continuous power transmission line, investigating the transient characteristics of traveling waves generated by different fault in the lines on the basis of traveling wave theory. The results show that transient process of earth fault and short fault in neutral noneffective grounding systems produce aerial mode component of traveling waves with steadyparameters.

为了解决自闭/贯通线路故障自动定位问题，分析了自闭/贯通线路电气结构的特殊性，以行波理论为基础研究了接地故障和相间短路故障产生的暂态电压、电流行波特征，发现接地故障和相间短路故障都存在参数比较稳定的行波线模分量。

Processing efficiency as a result of cutting-axis achieve the revitalization of planning released the equipment manufacturing industry to adjust exhaust turbocharger atc common faults and exclusion of high-speed cutting edge technology used in the blanking die in and outside the ring of rolling bearing fault diagnosis methods of the term commonly used brief summary of metal material factor in the quality of process performance aluminum water purification technology gap separating sub-micron technology the basic principles of rotary broaching the installation of the basic principles of positioning technology in the context of the characteristics of the engine crankshaft camshaft grinding high-speed implementation of the project highlights the emergence of diagnostic bearing cage diagnostic system 10 cases of preventive measures hardening die steel crack analysis of elastic deformation of the analysis error δφ maintenance and repair pneumatic tools processing tools prismatic conical shape when the surface of the workpiece form error ina sets of cylindrical sliding zgb200x220x180 ina sets of cylindrical sliding cylinder zgb180x200x180 ina zgb160x180x150 ina sets of cylindrical sliding sliding sliding cylinder zgb140x155x150 ina sets zgb120x135x120 ina sets of sets of cylindrical sliding zgb110x125x100 ina sets zgb100x115x100 ina cylindrical cylindrical sliding sliding sliding cylinder zgb90x105x80 ina sets zgb80x90x80 ina sets of sets of cylindrical sliding zgb70x80x70 cnc machine tools in general the structure of the spindle drive motor and the use of the exchange servo motor,the dc converter or to eliminate brush maintenance and high-speed electrical and mechanical constraints,through the belt driving the movement to the spindle,so that the spindle reaches a certain speed to achieve the stepless speed regulation,and consistent use of the speed signal converter to confirm the speed of the motor to achieve the directive,and then cutting into the knife,resulting in improved efficiency

摘 要：由于加工切削效率轴达到实习心得振兴数控机床实习心得发布装备制造业调整废气涡轮增压器常见故障及排除换刀高速切削技术的优势在冲裁模中废旧滚动轴承内外环设备故障诊断常用简易方法名词简介金属材料工艺性能铝材质量因素净化水处理技术空白亚微米分离技术回转拉削基本原理定位安装的基本原则特征技术产生的背景发动机曲轴凸轮轴的高速磨削加工五轴机实施中数控机床实习心得涌现诊断轴承保持架诊断系统预防措施10例模具钢淬火裂纹分析弹性变形误差δφ的分析维护及保养气动工具棱体成形车刀加工圆锥面工件时产生的形状误差 ina 圆柱滑动套 zgb200x五轴机x180 ina 圆柱滑动套数控机床实习心得180x200x180 ina 圆柱滑动套 zgb160x机床实习心得x150 ina 圆柱滑动套 zgb数控机床实习心得x155x150 ina 圆柱滑动套 zgb120x135x120 ina 圆柱滑动套 zgb110x125x100 ina 圆柱滑动套 zgb100x115x100 ina 圆柱滑动套 zgb90x105x80 ina 圆柱滑动套 zgb80x实习心得x80 ina 圆柱滑动套 zgb70x80x70 数控机床的主轴机床信息交流网结构一般采用交流电机和伺服电机，采用变频器或以消除直流电机电刷维护和高速限制，通过带传动把运动传给主轴，进而使主轴达到一定的转速来实现无级调速，同时利用变频器的速度一致信号来确认电动机达到了指令速度后，再进刀切削加工，从而提高了效率

We adopt the EMD approach to decompose the iris images and select the intrinsic mode functions with proper frequency range for iris recognition.

将虹膜图像进行EMD分解，找出有利于虹膜识别的敏感频带，使用选择后的固有模态分量对虹膜图像进行特征提取。

In this paper , the membrane and protector stresses of the laminated membrane coupling , the modal of the laminated membrane coupling , the stress character of the rabbet have been studied by ansys based on the nonlinear finite element method . the work of this paper makes a theoretical basis for the using of the coupling . it has several parts to follow

本文运用非线性有限元分析方法，利用有限元分析软件ansys研究了某型叠片联轴器的叠片及护板的应力分布、叠片联轴器的模态以及叠片联轴器榫头的应力特征，为该型联轴器的使用提供了良好的理论基础。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。