The flywheels are used as attitude control actuators as well as energy storage device.

系统中飞轮是姿态控制的执行机构，同时也是储能装置。

youdao

The storage of energy from the composite flywheels is a widely used technique in automobiles, electricity, military and other fields.

利用复合材料飞轮贮能是工业中一项广泛采用的技术，已经在汽车、电力和军事等领域有重要的应用。

youdao

The EU is committed to many different storage systems: flywheels, batteries, water pumping, etc.

FORBES: Jeremy Rifkin's Third Industrial Revolution

The New York Independent System Operator has defined short-term energy storage devices like flywheels and batteries as frequency regulators, allowing them to participate in regulated markets.

FORBES: Energy Storage Critical to Solar Industry

In racing, flywheels have a singular advantage of high power, which is to say, rapid discharge, compared with electrochemical storage.

WSJ: Porsche GT3 R Hybrid; 2012 Porsche 911 S: Porsche Blasts Hybrids Into a New Stratosphere | Rumble Seat by Dan Neil