“fan beam”的概念、定义、翻译、参考文献-科学参考

单词	fan beam
释义	fan beam [`fan ´bēm] ^{ELECTROMAGNETISM} 1. A radio beam having an elliptically shaped cross section in which the ratio of the major to the minor axis usually exceeds 3 to 1; the beam is broad in the vertical plane and narrow in the horizontal plane. 2. A radar beam having the shape of a fan.
随便看	hypermedia hypermenorrhea hypermetabolism hypermetamorphism hypermetropia hypermotility hypernatremia hypernephroma hypernucleus Hyperoartii hyperoid axle hyperon hyperopia hyperorthognathous feldspar feldspathic graywacke feldspathic sandstone feldspathic shale feldspathization feldspathoid f electron Felidae feline Felis fell

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