That means trees produce less energy from the air.

这意味着树木从空气中产生的能量更少。

youdao

Ethanol is corrosive and has less energy per litre than petrol and diesel.

乙醇具有腐蚀性，每升的能源比汽油和柴油少。

youdao

In a year, the electric buses use 72.9% less energy than the traditional ones.

一年内，电动公交车比传统公交车少消耗72.9%的能源。

youdao

More racing companies are now producing cars that use less energy.

VOA: special.2009.11.03

The z effective is lower, so we have to put less energy in to get an ion out.

它的有效核电量更低，所以我们只需要更少的能量就能打出一个离子。

麻省理工公开课 - 化学原理课程节选

Another way to say that it's going to be less, so you don't get confused with that the fact this is in the numerator here, there is that negative sign so it's less energy but it's a bigger negative number that gives us that less energy there.

另一个方式去说它将会变得很低实用，你们不用在这里的计算器的事实感到迷惑,这里有一个负号实用，它是更少的能量,但它是一个更大的数字,这里了它给了我们更少的能量。

麻省理工公开课 - 化学原理课程节选

The fastest, cheapest way to cut emissions is by simply using less energy.

CNN: Can a 'smart grid' turn us on to energy efficiency?

SSDs using flash memory consume considerably less energy when they are operating compared to HDDs.

FORBES: Seagate Discontinuing 7,200 RPM Drives--A Focus on Capacity?

This processor allows the XO to use less energy and therefore generate much less heat.

ECONOMIST: The $100 laptop is fast becoming a reality