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HFDF 缩写
气象 high frequency direction finding station
缩写, 军队 High Frequency Direction Finding; high-frequency direction finder; high-frequency direction finding; high-frequency direction finder (HFDF; HF DF; HF/DF MichaelBurov)
缩写, 技术 high frequency direction-finding
缩写, 电子产品 high frequency distribution frame
缩写, 空间 high frequency direction finder
缩写, 航空 high frequency detecting and finding; high frequency detecting finder; high frequency detecting finding