圆柱

Trees 5-15 m tall. Bark dark gray, smooth; branchlets terete, rugose, puberulous, glabrescent.

乔木5-15米高。树皮深灰色，平滑；圆柱状的小枝，具皱纹，被微柔毛，后脱落。

The cutter location in NC generative ultrasonic grinding process for parallel ruled surface with cylindrical grinding wheel was analyzed,the structure of NC generative ultrasonic grinding device was introduced,the design of grinding spindle assembly and the spindle's driving scheme was also introduced,system hardware and software design had been finished.

分析了圆柱磨轮数控展成超声磨削平行直纹面时的刀具空间位置，介绍了数控展成超声磨削成形加工机床的总体结构，论述了磨轮主轴部件设计及主轴驱动方案，实现了主轴变频调速控制系统软硬件设计。

A feature may be manufactured to a very tight size tolerance but due to eccentricity, the runout could be large.

若被加工的圆柱特征的尺寸较小，但由于同心度较好，全跳动公差可以相对大些。

Its bold fa ade is a mixture of rustication and decoration set between two rows of elegant columns .

在这栋建筑物的正面，两排优雅的圆柱格外夺目，其中揉合了粗旷的乡村风格和装饰的表现手法。

In the structural mechanics method, elastic thin wall column shell and thin slab theory is used in the computation, and consider two rigid conjunctions, adopt underground frame bending moment allotment method to admeasure the wall of a well and the scaleboard bending moment.

常规的结构力学方法使用弹性薄壁圆柱壳和薄板理论计算调压井井壁与底板，并考虑二者刚性连接，采用地下框架弯矩分配法对井壁和底板进行弯矩分配。

Based on the fact that the oblique section of a cylinder or cone is an ellipse, a fast scriber is fabricated which is simple in design, easy in making its parts, fast in assembling, and convenient in handling.

根据斜截正圆柱截面形状为椭圆，制作一种零件结构简单、加工容易、组装快捷、携带方便的快速划线仪。

A numerical model was established by combining the seven-flux model of light propagation with the two-dimensional hyperbolic heat conduction model in cylindrical coordinates. It showed that there exists a great discrepancy between the results obtained by treating the laser irradiation as volumetric absorption (i.e. taking laser scattering and absorption into consideration) and those obtained by treating the laser irradiation as the second boundary condition.

将激光传输的七流模型与圆柱坐标系内的二维双曲型导热模型相结合建立了理论模型；将激光照射处理为容积吸收(即考虑激光在生物组织中的散射和吸收)所得到的计算结果，与将激光照射处理为第二类传热边界条件所得到的计算结果相比，两者差别很大；考察了激光照射下散射系数和吸收系数对生物组织内双曲型导热的影响。

On the basis of the calculation of the internal self conduction of a long round shaped conductor,the characteristic and the adapability of the three kinds of calculation methods are introduced in this paper,which can caculate the self inductance of conductor with a section.

以圆柱导体的内自感系数的计算为例，阐述了关于有横截面积的导体的自感系数的三种计算方法的各自特点及其适用性。

Based on the nonlinear dynamics theory, the stability and bifurcation of a symmetrical rotor supported in self-acting gas bearings were studied.

基于非线性动力学理论，研究了普通圆柱型径向气体动压轴承支承的转子动力系统的运动稳定性和分岔。

There are 3 kinds of design about self-aligning ball bearing :basic design's open type bearing,sealing bearing and open type bearing.

调心球轴承的基本设计带有一圆柱孔，或者在某些尺寸范围内带一圆锥孔(圆锥 1：12)。

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。