聪明的家伙想用这从一个飞轮转动能量，利用它做些有用的事情。
Smart guys thought of using this rotational energy from a flywheel and make it do something useful.
一个公司提出这样想法：嵌在人行道和路面上的金属条用液压活塞的作用使飞轮转动。
One company has presented an idea in which metal strips inserted in pavements and roads operate fly wheels by means of a piston action using hydraulic fluid.
介绍了飞轮转动惯量的计算与主电机功率的确定，使之达到一个合理的匹配，从而达到节能的效果。
The computation of the flywheel moment of inertia and the determination of the main motor power have been introduced, which makes the match of them are reasonable with more energy-saving effect.
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