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black body

/blæk ˈbɒdi/

翻译: 理想化的物理物体,能吸收所有入射的电磁辐射,无论频率或入射角如何。在物理学中用作研究热辐射和黑体辐射的理论模型。

1 个条目

phrase

/blæk ˈbɒdi/C1formalscientific
  • zh理想化的物理物体,能吸收所有入射的电磁辐射,无论频率或入射角如何。在物理学中用作研究热辐射和黑体辐射的理论模型。

An idealized physical object that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence. In physics, it is used as a theoretical model for studying thermal radiation and blackbody radiation.

  1. Ideal physical bodyC2formal

    A theoretical object that absorbs all electromagnetic radiation falling on it, reflecting none, and emits radiation based solely on its temperature.

    zh理想物理体

    • A black body is an ideal radiator in physics.
    • Planck's law describes the spectrum of black body radiation.
    • Stars are often approximated as black bodies for calculations.