D88EC7E8-E3FB-4F6D-A2CE-00F7A1C48C48@1xCreated with sketchtool.

共有

一辺がL=5000[nm]の完全導体中の電磁波の絶対値の時間発展(温度 T=1000[K])

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https://nico.ms/sm16623765?ref=thumb_watch