The ratios of NAA/Cho,NAA/Cr,and Cho/Cr in relation to sex,age and between the white and gray matter were undulated without significant difference.是什么意思_The ratios of NAA/Cho,NAA/Cr,and Cho/Cr in relation to sex,age and between the white and gray matter were undulated without significant difference.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句