“attenuation”的概念、定义、翻译、参考文献-科学参考

单词	attenuation
释义	attenuation [ǝ´ten·yǝ`wā·shǝn] ^BOTANY Tapering, sometimes to a long point. ^ELECTRICITY The exponential decrease with distance in the amplitude of an electrical signal traveling along a very long uniform transmission line, due to conductor and dielectric losses. ^ENGINEERING A process by which a material is fabricated into a thin, slender configuration, such as forming a fiber from molten glass. ^MICROBIOLOGY Weakening or reduction of the virulence of a microorganism. ^PHYSICS The reduction in level of a quantity, such as the intensity of a wave, over an interval of a variable, such as the distance from a source.
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