线轴

The distribution of the equipotential line and power line of the electric current field brought by the coaxial-columniform electrode in the water was described by the experiment, and the result of the experiment is squared with the theory.

通过实验获得同轴圆柱面形电极在水中产生的电流场的等位线，并根据等位线与电力线垂直的原则绘出其电力线分布。

Based on Crank-Nicoson's technique, and a new approach for the numerical simulation of the model is raised. The truncation error of the one step difference method reaches O (△t^2+△x^2) and of quite good stability condition.

基于Coriolis加速度和Lagrangian应力公式，利用Newton第二定律导出轴向加速度运动弦线横向振动的动力学模型；通过线性变换将方程化为一阶无量纲的非线性微分方程组；并利用Crank-Nicoson的中点离散技巧，给出运动方程的单步二阶差分方法；算法把对运动方程和本构方程分别离散，使之可以用于不同本构的运动弦线的数值仿真。

Quality of the two curves has been compared by performance, the refrigerating capacity of compressor using simple harmonic curve drops little results show if controlling radial clearance strictly, however shaft power and discharge temperature will decrease.

本文分析了两种型线的特点并进行了性能比较，对于简谐曲线构成的缸体型线，压缩机径向间隙的有效控制是保证旋叶式压缩机制冷量、轴功率和排气温度等性能参数的关键。

The boardening of the spectral line in the spectrum when the helix stucture is perpendicular to the atomic be...

观察了螺旋线慢波结构轴与原子束垂直放置时波谱中谱线的增宽，并进行了讨论。

In chapter II, we calculate the binding energy of a quantum wire in the presence of a strong magnetic field along the wire axis by using the variational method and strong perturbation method.

在第二章中，我们用变分法和强相互作用方法计算了在一个沿着轴向的强磁场下的量子线的束缚能，讨论了束缚能随着量子线的半径，磁场和掺杂浓度的变化。

The coefficients of load distribution along the contact line of pitch position in axial middle section are obtained.

应用它计算了六对齿轮在不同接触线上的载荷分布，得出齿轮在轴向中间截面节点位置啮合时接触线上的载荷分布系数，分析了轮齿刚度的变化规律，给出轮齿刚度的简化计算公式。

The engage gears noise analysis of the planet cycloidal needle wheel decelerator showed that manufacturing errors of key positions of spare parts such as cycloidal wheel,needle wheel,output shaft and lack impartiality set etc.

通过对行星摆线针轮减速机轮齿啮合噪声分析，表明摆线轮、针轮、输出轴和偏心套等零件关键部位的制造误差是产生噪声的主要原因，从工艺角度提出提高零件制造精度和专用胎具精度降低噪声的方法。

It involves a spherical primary mirror and the secondary mirror with profile given by computer.lt is not necessary for the new optical system to obtain the on-axis solar image,so the secondary mirror may have a simpler profile.

一种由球面主镜和由计算机算出曲面型线的二次镜组成的新型二次反射聚光系统，可以减少制造困难，当这种光学系统用于太阳能聚光器时，由于不需要得到轴上的太阳像，其二次镜型线可更为简单。

A laser 3D body scanning system based on light stripe method was presented,which can realize body contour automatic scanning from top to bottom and forming a circinal stripe on body surface with four semiconductor laser linear light sources.Light stripe image is received from eight image CCD cameras located on the two sides of linear light sources.

研制了光带法激光三维人体扫描系统，以4个半导体激光线光源在人体表面形成一个环带，通过位于线光源两侧的8个面阵CCD摄像头接收光带像，在四轴伺服同步扫描系统和计算机网络采集系统的支持下，自上而下地实现了人体外形轮廓的自动扫描。

During the total eclipse of Epsilon Aur, 18 and 6 spectra in the Hα region were taken in rapid succession on March 9 and 10, 1983 respectively by use of the Beticon at the Coude focus of the McDonald Observatory 2m telescope.

用美国麦克唐纳2.7米望远镜折轴分光仪的Reticon对H_α附近光谱区进行连续18次(3月9日)和6次(3月10日)观测，用计算机绘图和处理，得到了金属线的视向速度，H_α线的轮廓、视向速度、等值宽度的短时标变化。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。