查询词典 circular cylinder

Of, relating to, or having the shape of a cylinder, especially of a circular cylinder .

圆柱形的，圆筒状的圆筒状的，与圆柱形有关的，或具有圆柱体形状的，特别是圆形的柱体

"Cylindric:Of, relating to, or having the shape of a cylinder , especially of a circular cylinder ."

"圆柱形的，圆筒状的：圆筒状的，与圆柱形有关的，或具有圆柱体形状的，特别是圆形的柱体。"

The circular helix is a regular curve on the surface of a circular cylinder.

这个圆柱螺旋线是在圆柱体表面的一个正则曲线。

The low-dimensional Galerkin method is generalized to solve the flow around arbi-trarily translating circular cylinder.Active control problems of wakes behind circularcylinders are numerically investigated by only small number of modes.The in-line andtransverse oscillation of a circular cylinder with proper frequency produce Karman vor-tex street successfully in some subcritical regime,vhereas the transverse oscillation of acircular cylinder with 1.8 times the natural shedding frequency can effectively suppressthe Karman vortex street at a slightly supercritical Re.

将低维Galerkin方法推广至可以求解任意平移运动圆柱的绕流问题，用较少的模数值研究了圆柱尾迹的主动控制问题，在亚临界Re数下圆柱以适当的频率沿流向和横向振动均成功地激发出Karman涡街；而在略高于临界Re数下圆柱以1.8倍自然脱涡频率沿横向振动明显地抑制了Karman涡街；再现了超临界Re数横向及流向振动圆柱绕流的频率锁定等复杂非线性现象。

Second, proceeding with the fact thatthe constructing vector wave functions of conventional circular cylindrical and sphericalvector wave functions are linear independent solutions to the electromagnetic field waveequations in biisotropic medium,spectral impedance boundary conditions are proposed forinfinitely long perfectly conducting circular cylinder and sphere coated with biisotropic media,respectively,which generalize the applicable range of planar structures and are suitable toanalyze the electromagnetic problems involving their counterpart structures.

所用的方法是在Fourier变换谱域中的一阶线性微分方程组理论和矩阵技术，提出了适用于Chiral媒质半空间辐射问题的耦合镜像原理(即镜像电流的振幅和相位是由Chiral媒质中的本征左、右旋圆极化波相互耦合来确定的)和适用于研究平面分层Chiral媒质电磁问题的一般性更高的分析方法。

It is found that the overall heat transfer coefficient of elliptic cylinder with k.0 is higher than that of a circular cylinder.At k=6.0,it has the maximum which is about 1.6 times that of a circular cylinder.At the same time,the drag coefficient drops down with the increase of k.For k=2.0,the drag coefficient is about 60％ that of a circular cylinder.

当k.0时，椭圆管的平均对流换热系数高于圆管；当k=6.0时，达到最大值，大约为圆管的1.6倍，同时，其阻力系数随着k的增大而减小；当k=2.0时，阻力系数约为圆管的60％。

For instance, a chiral or dielectric or conduct circular cylinder, a chiral or dielectric or conduct elliptic cylinder. 5. A general program to calculate any order and any type Mathieu function and its derivation is compiled.

编制了计算任意类、任意阶马丢函数及其导数的程序，此程序解决了多种不稳定性，通用性强，对计算没有任何附加限制，在普通微机上即可保证较高的计算精度和速度。

The basic molding tool provides the cube, the spheroid, the hemispheroid, the circular cylinder, the circular pipe, the ring, the centrum and the polygon.

基本造型工具提供立方体，球体，半球体，圆柱体、圆管、圆环，椎体和多边形。

The thesis suggests an algebraic grid generation method for calculating the transient flow problem of a small rigid circular cylinder oscillating rectilinearly inside a large circular fluid tank.

中文摘要本文旨在建议一个代数格网生成方法，以计算圆柱体於大型圆形液槽内水平振动之流场。

While the stable viscous incompressible flow cross through a single circular cylinder, it always result in the separated streaming and unsteady vortex streaming generated behind the circular cylinder.

当均匀稳态不可压缩黏性流体通过单一圆柱时，常在圆柱两侧产生分离流动，并在后方形成非稳态尾流。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。