随着各裂纹间相互作用的加强，会引起次生裂纹在预置裂隙端部附近反向扩展的现象，并形成一种新的断裂模式——包裹式反翼裂纹。
Then the interaction roles between the flaws gradually become stronger and stronger, and principally, the secondary cracks are induced to extend towards the direction opposite to wing crack.
本文叙述了具有全动翼的战术导弹出现“反操纵”气动问题，分析其原因及流态，并简要叙述解决办法。
The paper describes the aerodynamical problem of the "anti-control" of tactical missiles with moving-wings, analyses its cause and the flow construction and gives the solution in brief.
与矩形翼相比，反齐默曼机翼有较好的稳定性。
The inverse Zimmerman wing shows a better longitudinal stability and flow-field stability.
本文研究了自由翼的翼型的几何特征，表明它们的中弧线都具有反折的特点；
The geometry of airfoils, which is proper for the free-wings, was numerically investigated and the results indicated that the airfoils must be featured by the S-shaped camber.
本文研究了自由翼的翼型的几何特征，表明它们的中弧线都具有反折的特点；
The geometry of airfoils, which is proper for the free-wings, was numerically investigated and the results indicated that the airfoils must be featured by the S-shaped camber.
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