您要查找的是不是：
- 四元数MUSICquaternion-MUSIC
- 四元数一实数和一矢量的和的表达式，有四个项，一个为实数项，另外三个为虚数项An expression that is the sum of a real number and a vector and that contains four terms, one real and three imaginary.
- 四元数quaternion
- 半四元数semiquaternion
- 整四元数integral quaternion
- 极四元数quadriquaternion
- 纯四元数pure quaternion
- 倍四元数Double quaternions
- 反四元数inverse quaternion
- 双四元数biquaternion
- 四元数法quaternion
- 四元数环ring of quaternions
- 四元数群quaternion group
- 四元数体quaternion field
- 四元数域quaternion field
- 复四元数biquaternion
- 实四元数quatemion
- 四元数矩quatemion-moment
- 虚四元数imaginary quaternion
- 拟四元数的asi-quaternionic
