Objective To ensure the equality of median sagittal diameter(MSD)at the intervertebral space (DIV) and the pedicel level(DV),and calculate the normal amount and the normal lower limit.是什么意思_Objective To ensure the equality of median sagittal diameter(MSD)at the intervertebral space (DIV) and the pedicel level(DV),and calculate the normal amount and the normal lower limit.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句