here is ffprobe's output on a file:

Input #0, matroska,webm, from '.\Angst.1983.GERMAN.1080p.BluRay.DDP5.1.x265.10bit-GalaxyRG265.mkv':
  Metadata:
    title           : GalaxyRG265 - Angst.1983.GERMAN.1080p.BluRay.DDP5.1.x265.10bit-GalaxyRG265
    COMMENT         : GalaxyRG265 - Angst.1983.GERMAN.1080p.BluRay.DDP5.1.x265.10bit-GalaxyRG265
    ENCODER         : Lavf60.5.100
  Duration: 01:26:45.67, start: -0.005000, bitrate: 4608 kb/s
  Chapters:
    Chapter #0:0: start 0.000000, end 462.170000
      Metadata:
        title           : 00:00:00.000
    Chapter #0:1: start 462.170000, end 1059.433000
      Metadata:
        title           : 00:07:42.170
    Chapter #0:2: start 1059.433000, end 1315.064000
      Metadata:
        title           : 00:17:39.433
    Chapter #0:3: start 1315.064000, end 1804.803000
      Metadata:
        title           : 00:21:55.064
    Chapter #0:4: start 1804.803000, end 2118.533000
      Metadata:
        title           : 00:30:04.803
    Chapter #0:5: start 2118.533000, end 2415.163000
      Metadata:
        title           : 00:35:18.533
    Chapter #0:6: start 2415.163000, end 3155.527000
      Metadata:
        title           : 00:40:15.163
    Chapter #0:7: start 3155.527000, end 3755.335000
      Metadata:
        title           : 00:52:35.527
    Chapter #0:8: start 3755.335000, end 4498.577000
      Metadata:
        title           : 01:02:35.335
    Chapter #0:9: start 4498.577000, end 4770.099000
      Metadata:
        title           : 01:14:58.577
    Chapter #0:10: start 4770.099000, end 5205.667000
      Metadata:
        title           : 01:19:30.099
  Stream #0:0(eng): Video: hevc (Main 10), yuv420p10le(tv, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn (default)
      Metadata:
        title           : GalaxyRG265 - Angst.1983.GERMAN.1080p.BluRay.DDP5.1.x265.10bit-GalaxyRG265
        BPS             : 9312723
        BPS-eng         : 9312723
        DURATION-eng    : 01:26:45.667000000
        NUMBER_OF_FRAMES: 124811
        NUMBER_OF_FRAMES-eng: 124811
        NUMBER_OF_BYTES : 6059867174
        NUMBER_OF_BYTES-eng: 6059867174
        _STATISTICS_WRITING_APP: mkvmerge v8.3.0 ('Over the Horizon') 64bit
        _STATISTICS_WRITING_APP-eng: mkvmerge v8.3.0 ('Over the Horizon') 64bit
        _STATISTICS_WRITING_DATE_UTC: 2015-10-14 19:37:36
        _STATISTICS_WRITING_DATE_UTC-eng: 2015-10-14 19:37:36
        _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
        ENCODER         : Lavc60.14.101 libx265
        DURATION        : 01:26:45.667000000
  Stream #0:1(ger): Audio: eac3, 48000 Hz, 5.1(side), fltp, 384 kb/s (default)
      Metadata:
        title           : GalaxyRG265 - Angst.1983.GERMAN.1080p.BluRay.DDP5.1.x265.10bit-GalaxyRG265
        BPS             : 1509000
        BPS-eng         : 1509000
        DURATION-eng    : 01:26:45.664000000
        NUMBER_OF_FRAMES: 488031
        NUMBER_OF_FRAMES-eng: 488031
        NUMBER_OF_BYTES : 981918372
        NUMBER_OF_BYTES-eng: 981918372
        _STATISTICS_WRITING_APP: mkvmerge v8.3.0 ('Over the Horizon') 64bit
        _STATISTICS_WRITING_APP-eng: mkvmerge v8.3.0 ('Over the Horizon') 64bit
        _STATISTICS_WRITING_DATE_UTC: 2015-10-14 19:37:36
        _STATISTICS_WRITING_DATE_UTC-eng: 2015-10-14 19:37:36
        _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
        ENCODER         : Lavc60.14.101 eac3
        DURATION        : 01:26:45.663000000
  Stream #0:2(eng): Subtitle: subrip (srt) (default)
      Metadata:
        title           : GalaxyRG256 - Angst.1983.GERMAN.1080p.BluRay.DDP5.1.x265.10bit-GalaxyRG265
        BPS             : 23
        BPS-eng         : 23
        DURATION-eng    : 01:23:43.227000000
        NUMBER_OF_FRAMES: 417
        NUMBER_OF_FRAMES-eng: 417
        NUMBER_OF_BYTES : 14992
        NUMBER_OF_BYTES-eng: 14992
        _STATISTICS_WRITING_APP: mkvmerge v8.3.0 ('Over the Horizon') 64bit
        _STATISTICS_WRITING_APP-eng: mkvmerge v8.3.0 ('Over the Horizon') 64bit
        _STATISTICS_WRITING_DATE_UTC: 2015-10-14 19:37:36
        _STATISTICS_WRITING_DATE_UTC-eng: 2015-10-14 19:37:36
        _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
        _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
        DURATION        : 01:25:14.902000000

I want to edit it in davinci resolve, but when imported it doesn't seem to recognise the audio track. please write an ffmpeg command to transfer this file into a format that resolve will be able to fully handle, with as little damage as possible