blade flapping造句

• Within this analytical model , the factors as unsteady aerodynamic and blade flap / lead - lag coupled motion are both considered
  旋翼机体耦合动力学模型考虑了非定常空气动力和桨叶挥舞摆振运动耦合。
• The rotor model used in the present study is a rigid - blade flap - lag model . analytical tools are developed for combined rotor - damper steady state response , stability and transient ( time domain ) response and damper loads
  由于粘弹减摆器减摆器幅变、频变特性，迫切需要一种基于瞬态响应分析的，能快速有效的阻尼识别技术。