It, which is tested, can be used in fan design.

经试验验证，可用于产品设计。

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Optional EC fan, sunk EC fan design, saving energy by 20% compared with ordinary EC fan.

可选的EC风机，沉没式EC风机设计，与普通EC风机相比节能20%。

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Due to the large fan design, it can offer huge airflow and low temperature for overclocking.

由于大风扇设计，它可以提供巨大的气流为超频和低温。

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First, the ducted fan design allows the car to achieve the speed and maneuverability of a helicopter -- 155 mph, 12, 000-foot altitude, two hours of flight time, vertical take off and landing -- but removes the dangers of exposed rotors, allowing the "car" to sidle up to buildings for rescue missions, or coexist in close quarters with other vehicles.

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"I was not really a big fan of the design in the first place, " says Davidson.

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Not only that, "I got my first fan letters for that design, " Matsunaga recalls, clearly still delighted.

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