rate of the cases to free from shock
transition from free surface flow to pressurized f
transition from free surface flow to pressurized flow
varied flow from free-surface to pressure flow
free to deflect [unbraced]
Free to total prostate specific antigen ratio
free to total PSA ratio
游离/总的前列腺特异性抗原
游离前列腺特异抗原百分率
游离PSA/总PSA比值
Free-to-total PSA ratio
Incentives to free-ride
loss relative to free space