In a system with high CPU utilization， which of the following will help the MOST to minimize the performance impact of parity overhead in RAID 5？（）
软组织出血和血肿的MRI影像特征是A.T1WI低信号，T2WI高信号B.T1WI低信号，T2WI低信号C.T1WI高信号，T2WI高信号D.T1WI高信号，T2WI低信号E.T1WI等信号，T2WI等信号
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脂肪组织MRI上的信号特征是( )A.T1WI和T2WI呈等信号B.T1WI和T2WI呈低信号C.T1WI低信号，T2WI高信号D.T1WI高信号，T2WI低信号E.T1WI和T2WI呈高信号，但T2WI信号有所衰减
膀胱平滑肌瘤为()。A.T1WI高信号，T2WI低信号B.T1WI低信号，T2WI高信号C.T1WI中等信号，T2WI低信号D.T1WI中等信号，T2WI高信号E.T1WI低信号，T2WI中等信号
CT的等密度硬膜下血肿在MRIT1WI和T2WI表现为何信号（）。A、T1WI低和T2WI低信号B、T1WI高和T2WI高信号C、T1WI低和T2WI高信号D、T1WI高和T2WI低信号E、T1WI等和T2WI等信号
心肌纤维化后在T1WI和T2WI上呈（）A、T1WI低信号，T2WI高信号B、T1WI高信号，T2WI低信号C、T1WI高信号，T2WI高信号D、T1WI和T2WI混杂信号E、T1WI低信号，T2WI低信号
在正常MRI图像上，鼻窦黏膜表现为（）A、T1WI，T2WI低信号B、T1WI，T2WI高信号C、T1WI，T2WI中等信号D、T1WI中等信号，T2WI高信号E、T1WI高信号，T2WI低信号
单选题脂肪组织MRI上的信号特征是（）A T1WI低信号，T2WI高信号B T1WI高信号，T2WI低信号C T1WI和T2WI呈等信号D T1WI和T2WI呈低信号E T1WI和T2WI呈高信号，但T2WI信号有所衰减
