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- Analytical Model of Elastomeric Lag Damper Kinematic Coupling and Its Effect on Helicopter Air Resonance in Hover. 粘弹减摆器几何耦合模型及对直升机悬停空中共振的影响。
- Investigation of Helicopter Air Resonance Dynamic Stability in Forward Flight and Mutual Excitation of Different Degrees of Freedom 直升机前飞空中共振稳定性和各自由度相互作用研究
- helicopter air resonance 直升机空中共振
- An important problem in Aeromechanical stability of a helicopter is ground and air resonance stability. 直升机旋翼气动机械稳定性的一个重要方面是空中与地面稳定性问题。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- The shipwrecked sailors were rescued by helicopter. 遭遇海难的水手已经被直升机救起。
- The helicopter had off when we got here. 当我们到达时,直升机已经起飞了。
- Articulated by lowering the soft palate so that air resonates in the nasal cavities and passes out the nose,as in the pronunciation of the nasal consonants(m),(n),and(ng) or the nasalized vowel of French bon. 鼻音的由软腭下降发言以致气流在口道某处阻塞因而使鼻道张开的,如鼻辅音(m)(n)和(ng)或法语中的鼻元音bon的发音
- Articulated by lowering the soft palate so that air resonates in the nasal cavities and passes out the nose, as in the pronunciation of the nasal consonants(m), (n), and(ng) or the nasalized vowel of French bon. 鼻音的由软腭下降发言以致气流在口道某处阻塞因而使鼻道张开的,如鼻辅音(m)(n)和(ng)或法语中的鼻元音bon的发音
- We were whirled away in a helicopter. 直升机迅速把我们运走。
- The helicopter hovered over the house. 直升飞机停留在那房子上空。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏,使得每个人都频频吸气。
- Food is being lifted in by helicopter. 食品正用直升机空运进来。
- Articulated by lowering the soft palate so that air resonates in the nasal cavities and passes out the nose, as in the pronunciation of the nasal consonants(m),(n), and(ng) or the nasalized vowel of French bon. 鼻音的由软腭下降发言以致气流在口道某处阻塞因而使鼻道张开的,如鼻辅音(m)(n)和(ng)或法语中的鼻元音bon的发音
- The helicopter landed with Joe at the controls. 直升飞机在乔的操纵下降落。
- During the intermission, let's go out for some fresh air. 幕间休息时,我们出去呼吸呼吸新鲜空气吧。
- "Helicopter" is clipped to "copter". "Helicopter"可被缩略成"copter"。
- The air held a foretaste of a storm. 天气有要括大风的迹象。
- The criminal escaped by a helicopter. 罪犯乘直升机逃走了。