moving-bed英'muːvɪŋb'ed美'muːvɪŋb'edCOCA³¹⁵¹¹¹⁺⁴ 基本例句 移动床¹⁰⁰ Objective: To evaluate the advantages and clinical efficacy of3D CE- MRA of abdomen and lower extremity arteries with Moving-Bed Infusion Tracking. 目的探讨团注追踪3D CE- MRA在腹部、盆腔及下肢血管成像中的应用意义。 cnki