辐射能 [物] radiant energy
[物] radiation energy
- 当太阳的辐射能落在地球上时,就变为热能,于是,地球暖和起来了。
When the radiant energy of the sun falls on the earth it is changed into heat energy , and as a result the earth is warmed. - 吸收率,反射率和透射率取决于打在物体表面上的辐射能的波长,也和物体表面的温度有关。
Absorptivity , reflectivity and transmissivity depend upon the wave length of the radiant energy striking the surface and also upon the temperature of the surface. - 几乎所有的生态系统都以来自太阳的辐射能作为基本能源。有机物质和能量即由生态系统的食物链而来。
The fundamental source of energy in almost all ecosystems is radiant energy from the sun; energy and organic matter are passed along an ecosystem's food chain.