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МатематикаВопрос:
16. How do helicopters gain and lose in their technical characteristics?
Ответ:
Как вертолеты выигрывают и проигрывают в своих технических характеристиках?
- Преимущества: вертикальный взлет и посадка, способность зависать в воздухе, маневренность.
- Недостатки: относительно низкая скорость, ограниченная грузоподъемность, высокая стоимость эксплуатации.
Ответ: Вертикальный взлет и посадка, но низкая скорость и высокая стоимость.
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- 17. What kind of machine was developed to combine the advantages of helicopter with the high speed of an ordinary aircraft?
