Current modules have 10 percent efficiency and an installed system cost of about $4 per watt.

现在通用的组建效率约为10%系统安装费用需要4元每瓦。

youdao

And it does not require much energy to work: in its current form the exoskeleton has just two small clutches which only draw a quarter of a watt of power each.

其在能量上的需求也不大，目前的设计只有两个离合器需要各四分之一瓦的电力。

youdao

But his colleagues changed the rules so that the current chief justice, Joseph Watt, could extend his term by two years.

欧帕拉符合这些基本条件，但他认为，他的同事们更改了有关规定，以至于现任审判长约瑟夫·瓦特还可以继续任职两年。

youdao

The result is a relatively warm light, between 3, 000 and 4, 000 kelvin, that generates more than twice as many lumens per-watt as Philips' current LED bulbs.

ENGADGET

This is a redesigned, 60-watt-replacement LED bulb that uses less power than the 13 watts of the company's current equivalent bulb.

WSJ: The Digital Solution: The Brightest, Most Efficient Bulbs