intermediate term短语¹⁴⁴⁹⁷²⁺² 基本例句 中期 Objective. To determine the short- term1 week and intermediate term6 weeks effects of a single PDT treatment on the mechanical and structural properties of vertebral bone. 目的：研究短期1周和中期6周内单纯的 PDT疗法对脊椎骨力学和结构特性的作用。 oaopdoc