Signal in MR images is high or low (bright or dark), depending on the pulse sequence used, and the type of tissue in the image region of interest.是什么意思_Signal in MR images is high or low (bright or dark), depending on the pulse sequence used, and the type of tissue in the image region of interest.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句