blackbody

[英] [ˈblækˈbɔdi] [美] [ˈblækˈbɑdi] 生词本
Noun

1. a hypothetical object capable of absorbing all the electromagnetic radiation falling on it;

  • "a black body maintained at a constant temperature is a full radiator at that temperature because the radiation reaching and leaving it must be in equilibrium"

机械

<名>
  • 1.黑体
  • 2.对入射辐射完全吸收而与其波长、入射方向及偏光状态无关的一种理想辐射体。