定常

• Fluid abnormal motion
  液体非定常流动
• The graphs of oscillation of a spring oscillator under constant friction resistance
  弹簧振子在定常摩擦阻力作用下的振动图象
• Steady free surface flow
  定常无压流
• One outside alarm input , it can be set to 5 modes : always open
  ：有一路外部告警，可设置成常开常开锁定常闭常闭锁定或禁用。
• Method of steady state
  定常状态法
• Steady crack growth
  定常裂纹扩展
• One external alarm input , it can be set to 5 modes : always open
  ：有一路外部告警，可设置成常开常开锁定常闭常闭锁定或禁用。
• Experimental investigations on the unsteady characteristics of vortex breakdown over delta wing
  三角翼涡破裂非定常特性实验研究
• One channel external alarm , it can be set to 5 modes : always open
  ：有一路外部告警，可设置成常开常开锁定常闭常闭锁定或禁用。
• A stratified sample method of scattering source for time - dependent monte carlo transport
  非定常粒子输运蒙特卡罗散射源分层抽样方法