Echocardiography didn't show normal main pulmonary artery bifurcation structure, and the missing pulmonary artery was from aorta.
超声心动图表现为主肺动脉分叉结构消失，缺如一侧的肺动脉由主动脉发出。
Finally, the static bifurcation of equilibrium positions and local stability of the structure were discussed.
最后，讨论了该结构平衡点的静态分叉和局部稳定性。
New formulations are on the basis of the theory of the bifurcation and the Jacobi matrix eigenvalue structure analysis incorporating the margin and state index of the voltage stability.
这个模型以电压稳定分析的特征结构分析法和分岔分析法为理论基础，把电压稳定的裕度指标和状态指标相结合加入了无功优化中。
The results show that it is necessary to discuss the structure stability and static bifurcation characteristics of dynamic systems in the design stage of mooring systems.
研究表明，在系泊系统的设计中，考虑其静态分岔特性和系泊系统的结构稳定性是必要的。
The bifurcation and chaotic behavior of a parallel plate-type structure with nonlinear elastic support in axial flow were investigated.
研究了轴向流作用下板状叠层结构在非线性弹性支承下的分岔与混沌行为。
A new nonlinear variable structure control principle with equivalent control term is applied to control bifurcation of a nonlinear system.
提出了一种引入等效控制项的非线性变结构分岔控制方法。
A new nonlinear variable structure control principle with equivalent control term is applied to control bifurcation of a nonlinear system.
提出了一种引入等效控制项的非线性变结构分岔控制方法。
应用推荐