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.

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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.

youdao