| 单词 | 电磁辐射 |
| 释义 | 〔light〕Electromagnetic radiation of any wavelength.光：任何波长的电磁辐射〔quantum〕The smallest amount of a physical quantity that can exist independently, especially a discrete quantity of electromagnetic radiation.量子：物理量中可独立存在的最小的量，尤指电磁辐射中不连续的量〔transparent〕Permeable to electromagnetic radiation of specified frequencies, as to visible light or radio waves.可透过的：可以让某些频率的电磁辐射通过的，如可见光或无线电波〔radiometer〕An instrument that detects electromagnetic radiation.辐射仪：一种测定电磁辐射的仪器〔atmospherics〕Radio interference produced by electromagnetic radiation. Also called sferics 大气干扰：因电磁辐射而产生的无线电干扰 也作 sferics〔atmospherics〕Electromagnetic radiation produced by natural phenomena such as lightning.大气电，自然电波：由自然现象，如闪电等产生的电磁辐射等〔fluorescence〕The emission of electromagnetic radiation, especially of visible light, stimulated in a substance by the absorption of incident radiation and persisting only as long as the stimulating radiation is continued.荧光：尤指可见光等电磁辐射的散光，因某物偶然受到辐射而发光，持续时间由刺激物辐射的时间长短决定〔albedo〕The fraction of incident electromagnetic radiation reflected by a surface, especially of a celestial body.反照率：被一平面，尤指一天体反射的投射电磁辐射的微量〔bandwidth〕The numerical difference between the upper and lower frequencies of a band of electromagnetic radiation, especially an assigned range of radio frequencies.带宽：电磁辐射频带中高频与低频之间的数值差，尤指某设定的无线电频率范围〔bremsstrahlung〕The electromagnetic radiation produced by an accelerated electrically charged subatomic particle, such as an electron, as when it is deflected by another charged particle.制动辐射：一颗加速的带电亚原子粒子，如电子，被其它带电粒子撞偏时，产生的电磁辐射〔optics〕The branch of physics that deals with light and vision, chiefly the generation, propagation, and detection of electromagnetic radiation having wavelengths greater than x-rays and shorter than microwaves.光学：物理学中，研究光和视觉的一门学科，主要是研究波长在X-射线和微波之间的电磁辐射的产生、传播和识别〔band〕A specific range of wavelengths or frequencies of electromagnetic radiation.波段，波带：电磁辐射的波长和频率的特定范围〔light〕Electromagnetic radiation that has a wavelength in the range from about 4,000 (violet) to about 7,700 (red) angstroms and may be perceived by the normal unaided human eye.光，可见光：波长在4,000埃（紫外线）或7,700埃（红外线）之间的电磁辐射，能被人的普通肉眼看见 |
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