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etd是什么意思

etd

美[ˌiːtiː'diː]  英[ˌiːtiː'diː]
abbr.  估计出发时间(=estimated time of departure)
  异体字:e.t.d.

英英释义

Noun
  1. a system for screening luggage in airports; an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives
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