英语语法分析

Methods Profunda femoral artery hemodynamics was detected by duplex ultrasonography in 34 normal artery limb and 20 superficial femoral artery occlusive limb.

方法应用双功彩超对34条正常动脉的肢体与20条股浅动脉闭塞肢体的股深动脉进行血流动力学研究。