The powered mechanism, which will require daily recharging, creates a natural gait and ensures that no "metabolic cost" is imposed on the wearer, he says.

这种电动机械装置需要每天进行充电，在带来自然步伐的同时还确保不会对使用者带来“代谢消耗”，他说道。

youdao

The 1-x will climb about 40km (25 miles) into the sky during the powered phase of its flight, continuously measuring vehicle aerodynamics, controls and performance of the rocket's first stage.

战神一号X型将上升到约40公里(约25英里)的高空，在其动力飞行阶段，将不间断地对其运载空气动力学指标、火箭的第一阶段的控制和表现进行测量。

youdao

The aircraft is powered by a jet engine.

这架飞机由喷气发动机驱动。

《牛津词典》

The powered parachute can fly very low to the ground, and as slowly as giving officers a clear view during search and surveillance operations.

VOA: standard.2010.01.01

The whole thing is being powered by sending heat from the hot to the cold reservoir.

所要做的所有事情,就是把热量从高温热源输送到低温热源。

麻省理工公开课 - 热力学与动力学课程节选

Police officers say the powered parachute does have limitations.

VOA: standard.2010.01.01

Gadson, who had an older model of the powered knees, praised the latest ones.

CNN: Iraq veteran gets powerful new knees

It was designed to climb about 40km (25 miles) into the sky during the powered phase of its two-minute flight.

BBC: Nasa rocket launches successfully

The powered rotation of the thumb can be either controlled directly by the wearer's muscle signals, or can move automatically into position as part of a pre-set grip pattern or gesture.

BBC: Touch Bionics limb with mobile app