根据冷却的实际需要自动调节风扇的转速，不仅可降低功率消耗、节省燃油，而且还可以达到降低噪声、延长发动机寿命等效果。
Automatically modulating the fan's rotational speed according to cooling requirement can not only reduce the power and fuel consumptions, but also reduce noise level and prolong the engine's lifetime.
可以根据周围环境来自动调整风扇的转速，从而达到自动调节温度的目的。
Can be adjusted automatically according to ambient fan speed, so as to achieve automatic adjustment of temperature.
J-10采用了一个可调节机腹进气口为一台留里卡-土星设计局的AL-31FN加力燃烧涡轮风扇发动机提供空气。
The aircraft employs an adjustable, chin-mounted air intake that supplies air to the single Lyulka-Saturn AL-31FN afterburning turbofan jet engine.
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