“near field”的概念、定义、翻译、参考文献-科学参考

单词	near field
释义	near field [`nir ´fēld] ^ACOUSTICS The acoustic radiation field that is close to an acoustic source such as a loudspeaker. ^{ELECTROMAGNETISM} The electromagnetic field that exists within one wavelength of a source of electromagnetic radiation, such as a transmitting antenna.
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