An analytical method of ship resonance dynamic stability countering the helicopter with wheel landing gears is provided.
针对轮式起落架直升机，提供了一种“舰面共振”动力稳定性分析方法。
To develop light, reliable, sanitary space station maneuverable orbital transfer thruster, the novel gas dynamic resonance ignition method was applied.
为研究轻型、可靠、环保的空间站机动变轨发动机，在氢氧液体火箭发动机头部设计中引入了新型气动谐振点火技术。
An analytical method of ground resonance dynamic stability countering the helicopters with ski landing gears is provided.
针对滑橇式起落架直升机 ，提供了一种“地面共振”动力稳定性分析的方法。
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