在飞行器所在流场的下游一垂直于来流速度的截面上进行积分计算，得到升力、诱导阻力、激波阻力和总阻力。
By doing integral computation on the wake surface that is down from the aircraft and vertical to the velocity of far field, it can get the lift, induced drag, wave drag and the total drag.
结论：心脏病患者的CVHI指标变化特征主要表现为血流速度减慢、外周阻力升高和脑血管功能积分降低。
CONCLUSION: The main characteristics of CVHI indexes include less blood velocity, increased peripheral resistance and decreased integral scores of cerebral vascular function.
目的探讨体外模拟心脏运动对多普勒血流流速曲线速度时间积分(VTI)测定的影响。
Objective To investigate the influence of simulated heart motion on the Doppler spectrum velocity - time integral (VTI) of simulated blood flow measurements through an in vitro model.
测量出水管断面水流压力和三维流速分布，分析常规方法测定断面水流能量误差较大的原因，提出利用五孔探针准确测定断面水流全压分布、积分平均计算断面单位能量的方法。
Pressure and 3-dimensional velocity distributions in the pipe section are measured. The causes of Lange measuring errors of section flow energy in the outlet pipe by conventional method are analyzed.
测量出水管断面水流压力和三维流速分布，分析常规方法测定断面水流能量误差较大的原因，提出利用五孔探针准确测定断面水流全压分布、积分平均计算断面单位能量的方法。
Pressure and 3-dimensional velocity distributions in the pipe section are measured. The causes of Lange measuring errors of section flow energy in the outlet pipe by conventional method are analyzed.
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