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normal field
In magnetic prospecting, the smoothed value of a magnetic field component as derived from a large-scale survey, worldwide or of continental scope. The normal field of the Earth varies slowly with time, and maps of it are as of a certain date.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)