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英语 词库
Direction Finding [d(a)ɪ'rekʃ(ə)n'faɪndɪŋ]
军队, 缩写	DF (Finder); DF
direction finding [d(a)ɪ'rekʃ(ə)n'faɪndɪŋ]
军队, 后勤	A procedure for obtaining bearings of radio frequency emitters by using a highly directional antenna and a display unit on an intercept receiver or ancillary equipment. The process of determining the bearing of an electromagnetic emission. (FRA)
缩写, 矿业	d.f.
美国	A procedure for obtaining bearings of radio frequency emitters by using a highly directional antenna and a display unit on an intercept receiver or ancillary equipment (JP 3-13.1)