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| influence du sol | |||
| effet de sol | |||
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| effets de sol | |||
| 英语 词库 | |||
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| A condition of improved performance lift due to the interference of the surface with the airflow pattern of the rotor system when a helicopter or other VTOL aircraft is operating near the ground. (Rotor efficiency is increased by ground effect to a height of about one rotor diameter for most helicopters.) | |||
| The aerodynamic force caused by the reduction of induced drag and resulting in an increase in normal lift for an aircraft flying in close proximity to the surface of the ground or water | |||
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ground effect : 23 短语, 6 学科 |
| 军队 | 2 |
| 环境 | 1 |
| 自然科学 | 3 |
| 航空 | 4 |
| 运输 | 11 |
| 通讯 | 2 |