四元数可能把三维旋转的概念推广到四维(请参阅参考资料，其中有四元数的参考资料的链接)。

Quaternions make it possible to extend the concept of rotation in three dimensions to four dimensions (see Resources for links to quaternion references).

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现在再次旋转红色的圆形帮助物体，你将看到基座正确的发生了旋转。所有的链接现在设置完毕了。

Now try rotating the red circle helper again. You will see the pedestals rotating correct. So that's all the linking we need to do for now.

youdao

现在所有的物体被链接到尝试旋转的大的红色圆形上。

Now all objects have been linked try rotation the large red circle.

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