The "flywheel" battery, it is said, could power an electric car for 600 miles on a single charge.

据说，“飞轮”电池每充电一次可驱动一辆电动汽车行驶600英里。

《柯林斯英汉双解大词典》

I don't know which fraction of the energy can be stored in your flywheel, but it's an attempt.

我不知道哪一部分的，能量能储存在飞轮中，但这是个尝试。

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Reaction wheel is an important executive component of satellite attitude control system, and the improvement of flywheel system is spurred by high performance satellite attitude control system.

反作用飞轮是卫星姿态控制系统的重要执行元件，提高飞轮系统的性能对卫星姿态控制系统具有重要意义。

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To be successful at a high level, and to do so with an uncanny consistency as Boise State does, an organization must prevent the proverbial flywheel from stalling once it has gained momentum.

FORBES: Boise State Football And The Blueprint For Organizational Greatness

By helping people find cabs, Flywheel increases the usage of the cabs on it system by an average of 20%.

FORBES: Cabulous Rebrands As Flywheel, Adds Non-Taxi Drivers

With a wheel off design and super flywheel, the iPhone connected bike trainer is engineered to produce an ultra-realistic road feel, equivalent to the inertia of an actual rider on the road.

ENGADGET: Wahoo KICKR Power Trainer lets iPhone cyclists feel the simulated burn (video)