| 单词 | 红外线 |
| 释义 | 〔samarium〕A silvery or pale gray metallic rare-earth element found in monazite and bastnaesite and used as a dopant for laser materials, in infrared absorbing glass, and as a neutron absorber in certain nuclear reactors. Atomic number 62; atomic weight 150.35; melting point 1,072°C; boiling point 1,791°C; specific gravity (approximately) 7.50; valence 2, 3. See table at element 钐：一种银色或灰色稀土金属元素，含于独居石和氟碳铈矿中，用于激光制品掺杂剂，红外线吸光玻璃，在一些核反应堆中作中子吸收剂。原子序数62；原子量150.35；熔点1,072°C；沸点1,791°C；比重约7.50；化合价2，3 参见 element〔microwave〕A high-frequency electromagnetic wave, one millimeter to one meter in wavelength, intermediate between infrared and short-wave radio wavelengths.微波：一种高频电磁波，波长在红外线和短波元线波之间，为1毫米至1米〔phototherapy〕The treatment of a disorder, especially of the skin, by exposure to light, including ultraviolet and infrared radiation.光线疗法，光照疗法：通过暴露在光下对疾病的治疗方法，尤指皮肤病，包括紫外线和红外线治疗〔infrared〕Of or relating to the range of invisible radiation wavelengths from about 750 nanometers, just longer than red in the visible spectrum, to 1 millimeter, on the border of the microwave region.红外线的：一种波长在750毫微米（比可见光谱中的红光稍长）与1毫米（在微波波长的边缘）之间的不可见辐射的，或与其有关的〔infrared〕Infrared light or the infrared part of the spectrum.红外线：红外线光或光谱的红外线部分〔infrared〕Generating, using, or sensitive to infrared radiation.产生红外线的：产生或使用红外线辐射的，对红外线辐射敏感的〔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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