The state space may be thought of as a big vector space with each basis element spanning the possible states of one system element (say a memory register or the CAM Angle).
状态空间可能被认为是一个大向量空间，其每个基本元素跨越一个系统元素的可能状态(比方说内存寄存器或偏心角)。
Spu_splats ((unsigned int) 5) creates a vector of unsigned ints with each element having the value 5.
spu_splats ((unsigned int) 5)创建了一个unsigned int类型的向量，每个元素的值都是5。
Spu_insert (5, myvec, 0) returns a copy of the vector myvec with the first element (element 0) of the new vector set to 5.
spu_insert (5, myvec, 0)返回一个向量myvec的拷贝，这个新向量的第一个元素(元素0)被设置为5。
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