杆

In-plane stability capacity of I-section aluminum alloy bars under eccentric compressions was investigated with FEA program of ANSYS. The stability of the bars with different slenderness ratio and eccentricity was analyzed and the influence of initial crookedness and residual stresses on the stability was emphatically discussed.

动用ANSYS软体对常用的铝合金压型材偏心压杆的平面内稳定承载力进行了研究，分析了不同长细比和偏心率杆件的稳定性能，并讨论了残余应力与初弯曲对杆件承载力的影响。

In this paper two-segment jibs of tower cranes with irregular guy arrangements and having various cross sectional shapes under the action of spaceforces were investigated, with due consideration to the effect of bending.

本文对任意布置、各种断面和腹杆形式的塔式起重机折臂杆，考虑结构空间受力状态以及初弯曲的影响，用矩阵位移法计算在结构自重、风荷载、制动力和吊重荷载作用下的臂杆内力、变形及其整体稳定。

Crosse Checking: Stick to stick contact consisting of a series of controlled taps in an attempt to dislodge the ball from the crosse.

击杆：为了使球从对方的网兜中掉出，用自己的球杆连续而有节制的敲击对方球杆。

And we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.

我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。

This is an undoubted advantage compared with several flexible rapier looms, which use a rapier head specially shaped on its underside so that it will be directed along the correct flight path by guides in the sley.

这与一些挠性剑杆织机相比，毫无疑问是个优势。在这种剑杆织机上，剑杆头的下部采用特殊的形状，使之沿筘座上的导路准确地行进。

In the cylindrical worm pair with disk annular grinding wheel enveloped worm, the worm axial profile is concave profile.

圆弧面砂轮包络圆柱蜗杆传动，兼备了二次包络成形的特征和凹面齿圆柱蜗杆的特征，是一种很有特色的新型圆柱蜗杆传动。

The 3D motions of plane double enveloping worm has been emulated with Solidege and Flash.The model of fuzzy optimization design of plane double enveloping worm has been built by fuzzy theory and the methods of mechanical design.

应用solidege三维实体造型软件，进行平面二次包络环面蜗杆传动的运动状态的动态仿真，模拟了平面二次包络环面蜗杆传动的运动状态，再现了蜗杆啮合的运动状态的仿真。

In this paper, the plane double enveloping worm has been researched. The motion equations have been built of it. The states of motions and victories and forces of the worm engaging point were been analysis.

本文以平面二次包络环面蜗杆传动为主要研究对象，建立了平面二次包络环面蜗杆传动的运动学分析模型，分析了平面二次包络环面蜗杆传动啮合点的运动状态、啮合点各方向的速度、各方向上啮合力的分力。

On the condition of "many-head" and "small drive ratio",the plane double enveloping hourglass worm can not settle the problem of undercutting and sharpening simultaneously.It has devoted to a new type hourglass worm_sphere double enveloping hourglass worm.

考虑到平面二次包络环面蜗杆传动在多头小传动比条件下根切与齿顶变尖的矛盾很难同时解决且啮合性能较差，介绍了一种新型环面蜗杆传动——球面二次包络环面蜗杆传动。

This paper introduced an eigen-mode decomposing method to decouple zero sequence parameter in double circuit. The decomposing matrix of eigen-mode component is given. The zero sequence component relationship between voltages or currents at two terminals of double circuit was achieved by composing eigen-mode components.

提出一种采用特征模量分解方法对同杆多回线间的零序参数解耦，并给出了同杆双回线零序参数特征模量分解矩阵，通过特征模量分解得到同杆双回线路两端之间的零序电量关系。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。