Acutely (within hours of the ictus), the T1-weighted images usually demonstrate abnormally low signal; the T2-weighted images abnormally high signal.是什么意思_Acutely (within hours of the ictus), the T1-weighted images usually demonstrate abnormally low signal; the T2-weighted images abnormally high signal.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句