資料來源 : pyDict

電子反測量

資料來源 : WordNet®

ECM
     n : electronic warfare undertaken to prevent or reduce an
         enemy's effective use of the electromagnetic spectrum
         [syn: {electronic countermeasures}]

資料來源 : Free On-Line Dictionary of Computing

ECM
     
         {error correcting memory}.
     
        (1995-10-10)