研究了无铰直升机动稳定性、操纵性和控制问题。
Dynamic stability and control laws of a hingeless rotor helicopter were studied.
鸭式无尾翼布局具有高度机动性和优越的超音速性能，但亦具有先天空气动力上之不稳定性。
The tailless delta-canard configuration is inherently aerodynamically unstable, which provides a high level of agility, particularly at supersonic speeds.
不仅仅是因为极佳的材料选择有助于建筑结构的高机动性，还有一系列设置在建筑侧边的碳纤维槽体增加建筑稳定性。
Not only does the material choice effect the actual mobility of the structure, but a series of carbon fiber "gutters" that run down the side create added structural stability.
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