He indicated a semicircle with a radius of about thirty miles.
他标示出一个半径大约三十英里的半圆。
The radiation radius of the radioactive radium radiator in the stadium is variable.
放射性的镭散热器在体育场的辐射半径是可变的。
They are the radius of the orbit, the energy of the system and the velocity of the electron, and I am just going to present you the solutions.
它们是轨道的半径，系统的能量以及电子的速度，我接下来给你们展示解法。
They deliver to within a 5-mile radius of the store.
他们在距离商场5英里的范围内送货上门。
This time with a radius of 20 pixels since they are closer to the camera.
因为它们更接近摄像机，所以这次的半径为20像素。
For the eccentric model, Hipparchus found for the ratio between the radius of the eccenter.
对于偏心模型，希帕克斯发现了偏心半径之间的比率。
Reduce radius of synodical arc of tee.
缩小三通相贯区内拐角处圆弧半径。
因此它的半径。
Air track with a radius of 115 meters?
空甩，半径115米？
金属丝的半径。
Let's look first of all at the radius of the orbit.
首先是轨道半径。
The radius of the earth, this is the symbol for earth.
地球的符号是⊕
The argument to sphere represents the radius of the sphere.
sphere的参数表示了球体的半径。
For a cylinder, it's, a divided by the radius of a cylinder.
对于圆柱体，法向量是，除以圆柱体的半径。
"We were hemmed into a radius of 15 kilometers," he recalls.
“我们被限制在一个半径十五公里的圈子里”，他回忆说。
I am trying to solve, actually, for the radius of the circle.
我是在试着，去解圆的半径。
So I just computed the radius of that particular thing. Right?
这个点的半径，对不对？，计算角度是一样的道理？
R This is the radius of the orbit in which the electron travels.
是距离，So，，this，distance，here，is，R。,这是轨道的半径,就是电子运动的地方。
Here, the radius of the circle will change from 1 to 50 over 5 seconds.
这里，圆半径将在5秒内从1变为50。
It supports searching for tweets within a given radius of a location.
它支持根据位置范围搜索微博。
The third defines how big the object is, it is the radius of an ellipsoid.
第三个定义对象的大小，即椭球半径。
Suppose you had a disk in your car which had a radius of half a meter.
假设车里有个圆盘，半径为半米。
So, for a sphere, the normal vector is divided by the radius of the sphere.
关于球体，法向量是,除以球的半径。
If m is the mass of the sun, the radius of the event horizon is three kilometers.
视界的半径就是，3公里，若m是太阳的三倍重。
Astronomers generally measure the size of stars in terms of the radius of our sun.
天文学家一般以太阳的半径为基本单位表征恒星的大小。
If you tell me what m is, I will tell you what the radius of the event horizon is.
我会告诉你们，视界的，半径大小，这里我加快一点。
The radius of the Earth's orbit is about 400 times the radius of the Moon's orbit.
地球的轨道半径大约是月球轨道半径的400倍。
This is the mass of the neutron star m and this is the radius of the neutron star.
这是中子星的，半径，拿起一个小物体。
If you want, let's say that we take the unit of length to be the radius of our wheel.
如果你愿意，也可以认为，车轮的半径是一个单位长度。
If you want, let's say that we take the unit of length to be the radius of our wheel.
如果你愿意，也可以认为，车轮的半径是一个单位长度。
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