And, of course, it bounds this disc, but inside of a torus.
显然，它界定了这个圆盘，但是这个圆盘在面包圈的内部。
In this example, the surface is not simply connected and any smoothed-out object looks like a torus with at least one hole.
在这个例子里，圈饼表面就是非单连通的，并且这类物体的简化就会像是至少有一个洞的曲面。
For bigger robots, he accomplishes this with a series of hoses, arranged like ribs, to form the torus.
他通过一组软管组成肋骨状的圆环体结构来制造大一些的机器人。
Astronomers have long thought that a black hole ought to be surrounded by a torus of dust and gas.
天文学家长期认为黑洞应该是由一环尘埃和气体包围着的。
But you can also create a torus or sphere by extruding along a circular path.
但是还可以沿着圆形路径挤压来创建圆环体或球形。
The grayish structure surrounding the black hole, called a torus, is made up of gas and dust.
而图中环绕黑洞的灰色部分，被称为环体，它们由气体和星尘组成。
Also known as the torus, this large doughnut-shaped structure sits in the centre of the reactor building at a lower level than the reactor.
这个巨大的油炸圈形(圆环形)的构筑物坐落在反应堆建筑的中心，它的标高比反应堆低。
And we also have a residual heat removal system that also takes the heat from the torus and transfers that heat to an external source providing coolant water to continue to re-circulate the sprays.
我们还有一个余热去除系统，那将凸面的热量除去，并将热量转化为外源，提供冷却剂水，让它能够继续，将喷雾再循环。
First of all, this dissertation extensively studied the algorithms for complete exchange on single-port torus.
本文首先深入研究了单端口环网结构上全交换操作的实现算法。
The purpose of this paper is to investigate characters, initial prestress distribution and its quick calculation method of Geiger dome with outer truss torus.
目的研究具有外环桁架的肋环型索穹顶的构件布置和特点，提出确定初始预应力分布的快速计算法。
They are portions of a sphere, a torus or a cone.
他们是一球形、环形或锥形的一部分。
This paper establishes the contour surface equation of a torus CAM and presents a pressure Angle formula, it provides a simple and efficient method for designing this kind of cams.
建立了环面凸轮轮廓曲面的解析方程，同时给出了压力角计算式，为此种凸轮的设计提供了一种简单有效的方法。
A torus can be obtained from a rectangle by identifying opposite sides.
环面可由矩形把其两对对边分别重叠起来而得到。
And then we will see that in the framework of diffeomorphism group the symplectic quotient is torus bundle over the moduli space of special submanifold.
然后，我们将看到微分同胚群作用下的辛商为特殊子流形模空间上的以环面为结构群的丛。
The last chapter is the main chapter of this paper, we worked out some result on the tunnels for two bridge knot embedded in solid torus.
第三章为本文的主体部分，给出了实心环体中的一类双桥纽结的隧道的一些结果。
This paper introduces the combinatorial geometry package CGT with the capability of the torus geometric treatment.
本文介绍了具有椭圆环几何处理能力的组合几何包CGT。
A method is presented by using computational geometry techniques to determine optimal tool position and orientation for 5-axis machining with torus end-mill.
应用计算几何技术来决定优化的刀具定位和刀具姿态以实现环形刀的5轴自由曲面数控加工。
A new type of multi-folded torus and multi-scroll chaotic generator is studied by constructing a new nonlinear function.
通过构造一个新的非线性函数，研究一类多折叠环面多涡卷混沌产生器。
Critical pressures of the cylindrical Shells stiffened by rings with semi-torus section and by circular tube are calculated and compared.
算例表明，在消耗相同材料的情况下，半圆环加肋圆柱壳具有较好的抗水压性能；
We study the grid graph and the honeycomb rectanglar torus and honeycomb rhombic torus accordingly.
笔者对格图和环面蜂巢图作了相应的研究。
The equations of the meshing limit line in the first and second enveloping of the dual-torus double-enveloping toroidal worm drive are presented in this paper.
推导了双圆环面包络环面蜗杆磨齿啮合界线方程及其与相配蜗轮啮合的啮合界线方程。
For plasma torus with elliptical cross-section, a feedback system with conducting shell and active control coils has been suggested.
我们取等离子体截面为椭圆，反馈系统由导壳和主动反馈线圈构成。
In this paper, the parametric equation and radiation field formulas for a parabolic torus reflector antenna are given.
本文给出了抛物环面天线的参数方程和辐射场公式。
The results show that ATCNTs' energy band structure is relation to torus diameter.
结果表明扶手型碳纳米管环的能谱结构与环的直径有关。
Surfaces are: plane, cylinder, cone, sphere, torus, extruded, revolved, ruled and pipe.
表面有：平面、圆柱、圆锥、球体、圆环、挤压突出、旋转、嵌线和管道。
Cutting across a bright cavity of ionized gas, the dust torus surrounding the central star is in the upper right corner of this view, nearly edge-on to the line-of-sight.
这道几乎是侧对著我们的拱中心星尘埃环，位在这张影像的中左上方，斜切过一团明亮的游离云气。
Cutting across a bright cavity of ionized gas, the dust torus surrounding the central star is in the upper right corner of this view, nearly edge-on to the line-of-sight.
这道几乎是侧对著我们的拱中心星尘埃环，位在这张影像的中左上方，斜切过一团明亮的游离云气。
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