该公司的旋翼飞机拥有所谓的“专利纯洁”。
他说:“旋翼飞机在军事和商业上都发挥着关键的作用。
"Rotor craft specifically play a critical role for both military and commercial applications," he said.
在紧急情况下,即使16个旋翼中有4个出现问题飞机也能降落。
In an emergency, it can land even if four of its 16 rotors fail.
在紧急情况下,即使16个旋翼中有4个出现问题飞机也能降落。
In an emergency, it can land even if four of its 16 rotors fail.
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