A simplex can be a triangle in two dimensions or a tetrahedron in three dimensions.

单纯形在二维空间中可以是一个三角形，在三维空间中可以是一个四面体。

Let's extend this idea to three dimensions.

让我们将这个带到三维空间。

In three dimensions. you see the double helix.

在三维次元里, 你看到双螺旋.

They have to move an arm in three dimensions.

他们需要在三维空间里移动胳膊。

A hologram represents an object in three dimensions.

全息图显示物体的三维立体图像。

Now, imagine how this would work for three dimensions.

现在，想象一下，如果是三维打印，应该是如何工作的？

Creating a habit requires work in all three dimensions.

养成一个习惯需要在三方面全都下功夫.

So that their components can communicate in three dimensions

使其元件能够以三维形式相互沟通

Cartoons with three dimensions can simulate the accident better.

三维动画能更好地模拟事故的发生.

Three dimensions in practice are emphasis, coordination and value.

实践的三个维度是重点性、协调性和价值性。