本文介绍一种用平移实轴平面搜索法求根轨迹的计算机方法。
In this paper a computer method for searching the root loci by moving real axis parallelly in the complex plane is presented.
如果爱因斯坦的时间轴与我们周围的平面二维空间的一个空间维度的恰好慢慢消失的话,会产生什么现象呢?
What would happen if the coincidence of Einstein's time progress axis with one spatial dimension of these flat 2-D-spaces around us would get slowly lost?
来看看接下来的事情,当你看这些包含这z轴的垂直平面时。
And now, let's think about what happens when you look at just one of these vertical planes containing the z axis.
极坐标是关于r,θ的,用r,θ代替平面上一点的x,y坐标,是从原点到那一点的距离,,which,is,the,distance,from,the,origin,to,a,point,θ是由x轴逆时针旋转,而得到的夹角。
Remember that polar coordinates are about replacing x and y as coordinates for a point on a plane by instead r, r and theta,which is the angle measured counterclockwise from the positive x-axis.
抛物面一种有与单坐标轴平行的抛物截面和与该轴垂直的椭圆截面的平面。
A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.
因此,在笛卡尔平面使用x轴时,考虑一个特定的细胞为原点。
So, as you do with the x-axis in the Cartesian plane, you consider a particular cell to be the origin.
从图像上看,它们对应于,用平行于坐标轴的平面横截图像得到的,过程中保持x或y恒定。
And, in terms of a graph, they correspond to slicing by a plane that's parallel to one of the coordinate planes, so that we either keep x constant, or keep y constant.
当然,r可以围绕z轴转圈,但我只做了一个垂直的半平面,对于一个确定的θ来说。
Of course, r goes all around the z axis, but I'm just doing a slice through one of these vertical half planes, fixing the value of theta.
“调制域”是由信号的频率和时间两个轴构成的平面域。
"Modulation domain" is a plane domain which is consisted of frequency and time signal axes.
请说,所以我说当固定θ时,得到的是半平面,而非全平面,它布满z-轴的一侧,但从不延伸到z-轴的另一侧,为什么?
Yes? Yeah, so I'm saying when you fix theta you get only a half plane, not a full plane I mean, it goes all the way up and down, but it doesn't go back to the other side of the z axis. Why?
第一部分“直观呈现”,通过示意图、平面图和轴测图展示了原建筑的改变。
Part one 'didactic' depicts the transformation of the existing building through diagram, plan and axonometric.
在轴中选取将在其中贴合轴承的平面。
肩胛盂窝在轴位(水平)平面呈后倾改变及螺旋性扭曲改变,在肩关节假体设计中应考虑此解剖特点。
The glenoid fossa exhibits retroversion and a spiral twist in the horizontal plane, this anatomy property should be considered in the design of shoulder prosthesis.
弯多平面重建涉及到堆栈,使轴向片产生的观点全景图像和图像,可以产生近轴削减。
Curved Multi-planar Reconstruction involves generating perspectives to the stack of axial slices so that panoramic images and images from paraxial cuts can be generated.
这个硅化物界面层诱导了三明治膜的平面内磁各向异性,从而导致了易轴上高灵敏度巨磁电阻效应。
The silicide layer formed at interface was thought to induce the in plane magnetic anisotropy in the sandwiches, which consequently resulted in the high field sensitivity of GMR.
用重铬酸盐明胶介质记录了用于飞机平视显示器的平面离轴反射全息目视显示元件。
Off-axial reflection holographic visual display elements which records in dichromated gelatin (DCG) deposited on planar substrate of glass has been developed for pilot head-up display (HUD).
垂直度-条件是表面,轴,或线,这是90度的基准平面或基准轴。
Perpendicularity - is the condition of a surface, axis, or line, which is 90 deg. From a datum plane or a datum axis.
雄力400不但推荐于硬质及软质铸铁的汽缸内径搪磨,还适用于块规的平面精磨及轴头销的研光工序。
HONIC 400 is not only recommended for cylinder honing on hard, soft and close-grained cast iron but also for flat honing and lapping operations on gauge blocks and gudgeon pins.
采用该模型,成功地对平面应力条件下岩土材料单轴受压和单轴受拉试件的局部化破坏分别进行了数值模拟。
Shear band formation due to void nucleation and growth were successfully simulated in a specimen of geomaterial under plane stress compression and tension by the model respectively.
借助保形变换将单连通区域及其边界化为上半平面与实轴。
With the help of the conformal transformation, we transform a simply connected region and its boundary into the upper half plane and real axis.
作用在与测量轴垂直的平面上的最大侧力作用是一定的。
The greatest lateral force effect in the plane perpendicular to the measuring axis is to be stated.
本文应用弹性理论,对圆轴扭转时“刚性平面假设”进行了论证,为“刚性平面假设”提供理论依据和深化概念。
"Hypothes of rigid plane", as round shaft distorts, is expounded and proved by use of the elastic theory, thus providing the hypothesis with a theoretical basis and deepened concepts.
变速箱零件的配合面、压缩机零件的平面、轴端面等。
Transmission component mating plane, compressor component plane, and shaft ends.
文章基于3.5轴数控铣床,利用螺旋线展开的平面曲线编程,分层切削,加工出变螺距螺纹;
Programming by the plane curve unwrapped from the helix curve and cutting layer by layer, we created the variable pitch screw on the 3.5 axis NC milling.
负载和气缸可绕铰轴在一个平面内摆动,气缸长行程时,建议采用中间铰轴式。
The load and air cylinder can swing round the pin in a plan, if the stroke is long, adopt the intermediate fixed or movable trunnion type.
滚动,使转动:使…以绕轴旋转或不断滚动的方式沿一水平面向前运动。
To cause to move forward along a surface by revolving on an axis or by repeatedly turning over.
为了保证冻结轨道的冻结特性,平面内轨道控制需要对半长轴、偏心率和近地点幅角都控制。
In order to guarantee the characteristics of frozen orbit, in-plane orbit control needs to adjust the semi-major axis, eccentricity, argument of perigee simultaneously.
为分析搅拌头轴肩底面轮廓对材料流动的影响,分别建立了平面轴肩和凹面轴肩。
The flat and concave shoulder was set up to study the influence of the profile of concave shoulder on the flow of aluminum.
为分析搅拌头轴肩底面轮廓对材料流动的影响,分别建立了平面轴肩和凹面轴肩。
The flat and concave shoulder was set up to study the influence of the profile of concave shoulder on the flow of aluminum.
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