When a reservoir is sufficiently large, a sphere of this hot rock forces its way up through the upper mantle to Earth's surface, creating a broad bulge in the topography.
当储层足够大时，这种炽热岩石的一个球体强行通过上地幔上升到地球表面，在地形上形成一个宽阔的隆起。
We have a sphere of radius a. I have my vector field.
先作出半径为a的球面，再画出给定的向量场。
The geodesic dome is a structure shaped like a piece of a sphere.
球型屋顶是一个形状像球体的结构。
Does this mean space is shaped like a flat plane, a sphere or a saddle?
是不是这就意味着宇宙的形状就是平面、封闭球体或者马鞍状？
Europe is declining as a sphere of military power as Asia is increasing.
欧洲的军事实力正在衰退，而亚洲正在崛起。
He rounded the clay into a sphere.
他把粘土揉成球形。
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。
Can you find 5 things in your home shaped like a sphere?
你能在家中找到5个球型的东西吗？
Here is a complete example that displays two objects (a cube and a sphere).
下面是显示了两个对象(立方体和球体)的完整例子。
The Earth is a sphere that is slightly flattened at its north and south poles.
地球是一个在其南北极略呈扁平的球。
In three dimensions, a sphere is likewise symmetrical under all rotations about its center.
在三维空间中，球同样是中心对称的。
The diameter of a sphere is four times the focal length of a concave mirror cut from it.
凹面镜如果是从圆球上切下来的，圆球的直径会是凹面镜焦距的四倍。
But all sorts of things and weather Must be taken in together, to make up a year and a sphere.
但万物和气象，都必须融为一体，形成年岁，界定领域。
The earth is an oblate spheroid - a sphere with flattened poles and a slight bulge at the equator.
地球是一个扁平的球体—一个具有扁平的两极和赤道附近稍稍凸出的球体。
Whether you have a disk or whether you have a sphere or whether you have a rod makes all the difference.
选择磁盘还是球体，或一根棒，结果都不同。
The great-circle distance calculates the shortest distance between any two points on the surface of a sphere.
大圆弧长计算球面两点之间的最短距离。
A new Design Preview window displays the circle you just modified to look more like a sphere, as shown next.
一个设计预览窗口打开，显示你刚才修改的圆看上去更像一个球。
If the universe's space-time is positively curved, like the surface of a sphere, parallel beams would come together.
如果宇宙的时空像球体表面一样正向弯曲，平行的光线就会交合在一起。
Space can have positive curvature, like the surface of a sphere, or negative curvature, like the surface of a saddle.
空间可以向球面一样有正的曲率，也可以像马鞍面一样有负的曲率。
That is, for example, what we do when we look at, say, a horizontal plane or a vertical plane or a sphere or a cylinder.
不妨想一想，考虑一个水平面，一个垂直面，或是一个球面时的做法。
The source example in Listing 1 shows a simple world with Mars' gravity and a sphere that currently has some upward velocity.
清单1 中的源代码给出了一个简单的例子，这个环境中中存在火星的地心引力，里面有一个球具有向上的速度。
You take a sphere, in 3 dimensions, you rotate around the center of the sphere, and all those rotations leave the sphere alone.
那一个三维的球来说，无论你怎样把它绕中心旋转，它都会保持不变。
Let's say that I gave you a sphere of radius a centered at the origin, or maybe just half of that sphere or some portion of it.
已知以原点为心，以a为半径的球面，也可以说是半球面或是球面的一部分。
Considering, for example, the task of creating a virtual orange by computer our first attempt might be to start with a sphere.
比如说，考虑用计算机来创建一个虚拟的橙子这件工作，我们首先会尝试从一个球体开始。
It had the effect of a spell, taking her out of the ordinary relations with humanity, and enclosing her in a sphere by herself.
这个红字具有一种震慑的力量，竟然把她从普通的人间关系中超脱出来，紧裹在自身的氛围里。
At the same time, being flatter than a sphere, the aerostat ACTS less like a sail than a traditional balloon does, making it easier to steer.
同时，由于比球体扁平，此高空气球不像传统气球般随风飘动，它更容易操控。
So, as an example, remember at the end of the last lecture, I tried to set up an example where we were looking at a sphere sliced by a slanted plane.
举个例子，大家记得在上次课末尾，我举了个例子,有一个被斜切的球体。
It was a bizarrely imagined creation, with its centerpiece a large bronze vessel surrounded by eight dragons, each holding a sphere in its mouth.
那是一个想象奇特的创造，中央是一个大型青铜器，周围有八条龙，每一条龙嘴里都含着一颗珠子。
To solve the differential equations, we divide the sphere into two parts: inner part - a sphere with small radius and outer part - a spherical shell.
在微分方程求解过程中，把整个球体分成两部分：内部是球心附近的一个小球，外部为一球壳。
To solve the differential equations, we divide the sphere into two parts: inner part - a sphere with small radius and outer part - a spherical shell.
在微分方程求解过程中，把整个球体分成两部分：内部是球心附近的一个小球，外部为一球壳。
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