“free field”的概念、定义、翻译、参考文献-科学参考

单词	free field
释义	free field [`frē ´fēld] ^ACOUSTICS An isotropic, homogeneous sound field that is free from all bounding surfaces. ^{COMPUTER SCIENCE} A property of information retrieval devices which permits recording of information in the search medium without regard to preassigned fixed fields. ^PHYSICS A field in empty space not interacting with other fields or sources.
随便看	low-moor peat low-noise amplifier low-noise preamplifier low-order low-order burst low-pass band-pass transformation low-pass filter low-population zone low-power television station low-pressure area low-pressure fluid flow low-pressure laminate low-pressure torch low-pressure well low-Q filter low quartz low-rank graywacke low-rank metamorphism low-reactance grounding low-reflection film low relief low-residual-phosphorus copper Lowry process low-shaft furnace low side

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