LSFG values were used to calculate the square blur rate (SBR), which is a quantitative index of relativebloodflow velocity.
用LSFG值来计算平方模糊率(SBR)，这是一个相对血流速度的定量指标。
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Under the physiology condition, cerebral bloodflow to keep relative stabilization, to keep the normal nerve function and metabolism activity of brain tissue.