4-dimensional clifford algebra 四维clifford代数
4 dimensional states 四维状态点
4-dimensional analysis 四维向度分析
Complete classification of affine spheres with constant cross section curvature in 4-dimensional affine space is given.
本文给出了四维仿射空间中具有常截面曲率的仿射球的完全分类。
Except, of course, we haven't see the graph of a function of three variables because that would live in 4-dimensional space.
当然我们还不能看到，三元函数的图像，因为它处在一个四维空间里。
Hyperspace refers to reaching the other end of the universe fast through the multi-dimensional space (we live in 4-dimensional space).
超空间指的是通过多维度空间(我们生活在4维空间)，快速的到达宇宙的另一端。
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