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第一菲涅耳区
释义
第一菲涅耳区
first Fresnel zone
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double fracture
double frame
double-framed generator
double frame hammer
double Frank's mirror
double frequency
double-frequency coding
double-frequency generator
double-frequency oscillation
double-frequency oscillator
double-frequency sequence signalling system
double frequency table
double-frill girdle
double fringe
double function key
double furnace boiler
double furrow
double furrow plough
double galvaized wire
double-gap
double gap cavity
double gate
double-gate
double-Gauss derivatives
double-Gauss goniometer
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更新时间:2024/11/5 18:53:10