Also, the present versions of the system have low efficiency, because a great deal of power is being given off as heat and light.

同时，目前的系统效率低下，因为大量的能量以热量或者光的形式被释放了。

youdao

How many skills went into the making of the tint and the kilns, into supplying the heat, the light and power, the belts, motors, and all the other things a mill requires?

制造颜料，烘干需要的热量，照明，电力，传动带，电动机，一家工厂所需要的一切设备，等等，所有这一切需要多少技能？

youdao

But heat and light are not the only power of the sun over the solar system.

但光和热并不是唯一在太阳系太阳的力量。

youdao

Having enough power for heat and light have become serious concerns in the Tokyo area in the midst of the emergency unfolding at the Fukushima nuclear power plant to the north.

FORBES: In Tokyo, Shortages And Fear Now Abound

Somebody is going to build wind towers and wind turbines and create the power that's going to light our homes and heat our homes and cool our homes for decades to come.

WHITEHOUSE: Press Briefing

The result is that too many poor countries have failed to deliver adequate power to their industries, or heat and light to their citizens.

ECONOMIST: At last, a market for energy