一种定义
四种语言
That is why radiant heaters are used, among other methods, to heat halls.
Solar cells convert radiant energy (light waves) directly into electrical energy.
These instruments measure the temperature-dependent radiant power radiated from an object.
That is why radiant heaters are used, among other methods, to heat halls.
Solar cells convert radiant energy (light waves) directly into electrical energy.
These instruments measure the temperature-dependent radiant power radiated from an object.