月球的轨道是椭圆的，因此，就意味着它不是以正圆的方式环绕地球公转，而是椭圆。
The Moon's orbit is elliptical, meaning it does not follow a circular but rather an oval path.
清单3显示了如何绘制线、矩形、圆(使用椭圆)及椭圆。
Listing 3 shows how to draw lines, rectangles, circles (using the ellipse), and ellipses.
剪出两个椭圆形用来做头部，再把它们粘起来——每个椭圆的一端粘连在身体上，另一端则和另一个椭圆粘起来。
Cut out two oval shapes for the head and glue on – part of each oval will be glued to the body, the other part to the second oval.
也就是说，当我们看到未颠倒的相片时，我们潜意识的会在脑海中产生类似这样的想法：“这是一个人脸，它是椭圆形的，那么我就先画一个椭圆形；头发是长而细的，那么我就画一些线条。”
Faces are ovals; I’ll draw an oval. Hair is long and stringy; I’ll draw some lines.
开普勒曾表明，地球的轨道是一个椭圆，这个椭圆有两个焦点，太阳在其中一个上。
As Kepler showed, the Earth's orbit is an ellipse, with the sun at one of the two focal points.
椭圆形的焙盘比圆形的更实用，因为椭圆形的焙盘既能放一整只鸡和一整块肉，也可以放炖菜或是汤。
Oval casseroles are more practical than round ones as they can hold a chicken or a roast of meat as well as a stew or a soup.
由于椭圆形环状体处在高海拔和高纬度，所以，科学家认为椭圆形环状体可能与木星强大的极光有关。
The oval was at high altitude and high latitude, so scientists think the oval may have been associated with Jupiter's powerful auroras.
椭圆星系也可能很小，在这种情况下它们被称为矮椭圆星系。
Elliptical galaxies may also be small, in which case they are dubbed dwarf elliptical galaxies.
比较好的做法是用一个参照物，比如画一个椭圆形让火焰保持在这个范围之内，而且你可以让火苗窜到椭圆的边缘处。
It's good to use a reference for the shape, such as drawing an ellipse within which the fire will remain and you can send the flames up to any of the edges of this ellipse.
选择椭圆选框工具(M)然后在分割线上面画出一个椭圆。
Select the Elliptical Marquee Tool (m) and make a selection over the divider line.
接着开普勒提出了他的定律，他说行星基本上是绕太阳作椭圆运动，它们在椭圆上有特殊的运动规律。
And then Kepler came with these laws that said basically that planets move in an ellipse around the sun, and that they move in a very specific way along that ellipse.
开普勒第一定律，也称椭圆定律，指出每一个行星沿椭圆轨道围绕太阳。
The first law, sometimes called the law of orbits, states that planets orbit the sun elliptically.
艾萨克·牛顿在其后发现彗星沿椭圆轨迹移动，处于环绕太阳的椭圆形轨道上，他还准确地预测了彗星能够一次又一次地回归。
Isaac Newton later discovered that comets move in elliptical, oval-shaped orbits around the Sun, and correctly predicted that they could return again and again.
标志中的大椭圆代表地球，中间由两个椭圆垂直组合成一个T字，代表丰田公司。
Large oval logo on behalf of the Earth, in the middle by the two combined into a vertical oval t, on behalf of Toyota.
选择椭圆选框工具，然后在欢迎图片下方画一个椭圆。
Select the elliptical Marquee Tool, and then make an elliptical selection at the bottom of your welcome image.
行星绕太阳运行的轨道是近圆形的椭圆，太阳位于每个椭圆中心的附近。
Planets orbit the sun in oval-shaped paths called ellipses, and the sun is slightly off to the side of the center of each ellipse.
我们训练志愿者所谓的假设对子，他们学习选择，比如，橙色椭圆优于青绿色椭圆，青绿色优于绿色，绿色优于佩斯利涡旋纹花呢（ paisley ），如此类推。
We taught people so-called premise pairs—they learned to choose, for example, the orange oval over the turquoise one, turquoise over green, green over paisley, and so on.
还可以使用ellipseMode函数定制椭圆，它指定x,y位置是否代表了椭圆的角（CORNER）或中心（CENTER）。
You can also tailor ellipses using the ellipseMode function, which specifies whether the x,y location represents the corner (CORNER) or the center of the ellipse (CENTER).
光标可以变成橡皮擦，擦除先前输入的任何内容，也可以变成椭圆工具，绘制多个新的椭圆。
The cursor can become an eraser tool and erase anything previously entered, or it can become an ellipse tool and draw any number of new ellipses.
现在需要计算一个以a，b为半轴的椭圆的面积,其实椭圆就是一个被压扁的圆。
Let's say that we want to find the area of an ellipse with semi-axes a and b. OK, so that means an ellipse is just like a squished circle.
创建一个椭圆形椭圆与椭圆工具(升)。
一对不平衡的矩形，放置于椭圆形院子的南北两侧，椭圆形的围墙以封闭的实体展示着封闭内敛的个性。
A pair of unbalanced rectangles is laid in the north and south of the ellipse yard. And the enclosed oval-shaped wall demonstrates a implicit and reserved character.
在确定候选椭圆时，最大限度地减少随机采样点数？剔除更多的非椭圆点，降低了无效采样，减少了无效计算。
When determining a candidate ellipse, the number of points sampled randomly was maximally reduced, more non-ellipse points were eliminated, and therefore useless sample and calculation were reduced.
提出了基于椭圆曲线的数字签名方案，探讨了椭圆曲线密码算法的优点及其特别适用的领域。
This paper has proposed an elliptical curve digital signature program, and has explored the advantages and its special application areas.
现在我们来制作伊芙的头部。选择椭圆工具在身体的上方绘制一个椭圆，命名为“头部”。
Now let's create the head of Eve. Choose the Oval tool (B) and draw a circle on the top of the body. Name this layer "Head".
论文主要通过研究改进椭圆曲线公钥密码学，设计实现了一个基于椭圆曲线的混合加密系统。
By studying and improving on ECC mainly, this article deals with the design and encryption algorithm implementation of a hybrid cryptosystem based on elliptic curve.
椭圆是由其边框定义的；弧是椭圆的一部分，由一个起始角和一个扫描角定义。
An ellipse is defined by its bounding rectangle; an arc is a portion of an ellipse defined by a starting Angle and a sweep Angle.
电场矢量的末端沿一椭圆移动的光叫椭圆偏振光。
When the end of the electric field vector travels in an ellipse, the light is elliptically polarized.
电场矢量的末端沿一椭圆移动的光叫椭圆偏振光。
When the end of the electric field vector travels in an ellipse, the light is elliptically polarized.
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