The equilibrium condition facilitates the experimental measurement of the drag force with potential extensions to the determination of the viscosity of the medium or the refractive index of the bead.
这个平衡条件为阻力的实验测定提供了便利，通过阻力可以实现介质粘度和粒子折射率的测定。
Early diastolic drag acceleration increased, it is one index of left ventricular diastolic function, its elevation suggested…
说明了左室舒张功能的改善。舒张早期减速度有较大增加；
Early diastolic drag acceleration increased, it is one index of left ventricular diastolic function, its elevation suggested…
说明了左室舒张功能的改善。舒张早期减速度有较大增加；
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