同心

他在黑板上画了5个同心圆。

On a blackboard , he drew five concentric circles .

C纳米管包裹的金属钴纳米线（管）同心电缆的制备与表征

Synthesis and Characterization of the Concentric Cable of Cobalt Nanowires ( nanotubes ) Encapsulated in Carbon Nanotubes

同心筒是一种先进的新型的舰载导弹垂直发射装置。

Dynamic mesh technique was adopted to simulate the missile the concentric canister launch system .

三级同心液压溢流阀噪声特性的CFD分析

CFD Simulation of Noise Characteristic of Coaxial Hydraulic Relief Valve with Three Stages

420t／h同心正反切圆锅炉燃烧优化的数值计算

Numerical Calculation of the Optimization of a 420 t / h Boiler Combustion System with Concentric Tangential and Anti - tangential Air Feeding

本文引入了一个新的概念&区域模糊特征μj，以μj为模板在无限可分的具有互补特性的同心圆和扇形窗口上进行特征抽取和模糊塔形决策分类。

A new idea , fuzzy region feature μ _j , is proposed in this paper .

两个同心施转圆柱间的Taylor问题

Taylor Problem Between Eccentric Rotating Cylinders

给出了一种用于调整军用高频毫米波发射管中阴极和磁聚焦（rf）管同心度的简单技术。

This paper gives a high precision technique , which use to adjust electron cathode and rf circuits concentricity for high frequency millimeter wave applications .

不同心肌病CHF患者，在相同心功能分级时细胞因子水平无显著性差异。

Cytokine concentrations did not differ in the same NYHA function classification in heart failure patients of different cardiomyopathies .

域内同心环支Mindlin中厚环板的弯曲振动

Flexural Vibration of Mindlin Moderately Thick Annular Plates on Multiple Concentric Ring Supports

第三组手术同心衰组，术后第二天起给予厄贝沙坦为厄贝沙坦组（irbesartangroup，Igroup）。

The group 3 rabbits suffered the same operation as the group 2 , irbesartan was invested the second day after operation , which was defined irbesartan group ( I group ) .

双盘转子-非同心SFD系统的非协调响应和分叉特性

Non-Synchronous Response and Bifurcation Character of Two-Disk Rotor System with a Non-Centralized SFD

同心球间旋转流动类Lorenz方程组的分歧问题

Bifurcation problems of the model system similar to the Lorenz equations of the flow between two concentric rotating spheres

应用同心针电极，在SBR～1双线视波器上，观察与记录了29例健康医学生进行下颌运动时咀嚼肌的肌电活动。

Electromyography of the muscles of mastication was observed during various mandibular movements in 29 healthy medical students through fire - wire concentric electrodes .

带同心SFD的双盘悬臂柔性转子的稳态圆响应和稳定性分析

On Stability of Steady State Circular Response of Aeroengine Rotor Squeeze Film Damper System

所设计的气路转换系统和同心石英等离子体炬管等，使扫描式分子气体ICP光谱仪既可用于分子气体ICP放电，又可用于氩ICP放电。

The designed quartz concentric torch and the gaseous transfer system are suitable for both argon ICP discharge and the molecular gases ICP discharges .

对于电机机座图像，采用Hough变换方法，检测出图像包含的圆，进而求出同心度等公差。

For motor frame , circles in the matter brim was detected by means of Hough Transform and then concentricity tolerance was determined .

为了提高输出电压的等级，Powerformer绕组采用多层同心式。

In order to increase voltage , winding of Powerformer is multiplayer concentric winding .

对同心球间旋转流动的Navier-Stokes方程谱展开后进行三模态截断，讨论了所得到的类Lorenz型方程组的分歧问题。

Bifurcation problems of the Lorenz equations of obtained from the Navier-Stokes equations for the flow between two concentric rotating spheres is discussed .

由于电源配电的质量问题，引发了DRH型CT机出现放射状和同心园状伪影。

Radiant and ring artifacts appear in the image of DRH CT as a result of quality problem of distrbution of power supply .

由于软X射线多层膜的反射率还不能像其它波段反射镜反射率那样高，因此由两块同心球面反射镜组成的Schwarzschild物镜在软X射线波段得到了广泛的应用。

The Schwarzschild objective which consists of two concentric mirrors is extensively used in soft X ray range because the reflectivity of multilayers is lower than that in other range .

目的：探讨不同心功能级别老年患者血清C反应蛋白水平与左室射血分数及心脏解剖结构的关系，以及性别因素差异。

AIM : To investigate the relationship of the serum level of C reactive protein with the left ventricular ejection fraction and cardiac anatomic structure in elderly patients with different grade of cardiac function , and discuss the differences between males and females .

在温度较高的条件下结晶时，PE-HD会出现消光同心圆环。

The crystal of high-density polyethylen appear extinction concentric rings under conditions of high temperature .

结论Balo病同心圆性硬化的MRI表现具有特征性，是目前诊断Balo病最可靠的影像学检查法。

Conclusion Balo 's concentric sclerosis has characteristic findings on MRI . MRI is a very reliable diagnostic methed for this disease .

推导了同心球间旋转流动的Navier-Stokes方程的流函数-涡度形式，给出了静态奇异点的条件，并计算出解分支。

Velocity-stream function form of the Navier-stokes equations for the flow between two concentric rotating spheres is deduced , and detection conditions of singular point and solution branches are given .

本文比较了83例不同心功能分级的风湿性心脏病、高血压性心脏病和冠状动脉粥样硬化性心脏病所致慢性左心功能不全患者红细胞超氧物歧化酶（SOD）的活性大小。

The activity of erythrocyte superoxide dismutase ( SOD ) was observed in 83 patients with chronic left cardiac insufficiency subsequent to rheumatic , hypertensive or coronary atherosclerotic heart dis - ease at various grades of cardiac function .

用数值积分方法分析了大间隙环流中同心Jeffcott转子系统的涡动模式。

The whirling mode of a concentric Jeffcott rotor immersed in large gap annular flow is studied by numerical integration methods .

文中从RS流体的本构方程出发，理论上推导了RS流体在钻柱内和同心环空中作轴向层流动时的流速、流量、压耗及流核尺寸的大小。

According to RS constituent equation we derive the velocity of flow , flow rate , pressure loss and the size of unsheared plug-flow as RS fluid flowing in pipe and concentric annulus under axial laminar condition .

方法18例脂质沉积性肌病（简称第1组）和18例炎性肌病（简称第2组）均行常规同心圆针电极EMG检查；

Methods Routine concentric needle electrode electromyography ( EMG ) was performed in 18 patients with lipid storage myopathy ( group I ) and 18 with polymyositis and dermatomyositis ( group ⅱ) .

对2D四层同心圆头模型和山MRI技术获得的头的断层图片构造的2D轴位真实头模型及2D矢位真实头模型的电特性进行分析，给出了各种激励情况下的等电位线分布。

Study on brain electrical characteristics for two dimentional ( 2D ) real head models The brain electrical characteristics have been analyzed for 2D four layers concentric sphere head model , axial real and sagittal real head models from MRI pictures .