Objective: Computer digitally expresses the average grey scale values and color point percentages in normal and cirrhotic livers before and after Levovist enhancement.
目的：用计算机数字化表达利声显增强前后正常肝和肝硬化平均灰度值和彩点百分比。
Objective: Computer digitally expresses the average grey scale values and color point percentages in normal and cirrhotic livers before and after Levovist enhancement.
目的：用计算机数字化表达利声显增强前后正常肝和肝硬化平均灰度值和彩点百分比。
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