最終更新日：2024/08/03
An obsolete form of microphone that detected sound waves by measuring the density of ionised air between a cathode and an anode
正解を見る
kathodophone
編集履歴（0）
An obsolete form of microphone that detected sound waves by measuring the density of ionised air between a cathode and an anode
kathodophone
DiQt（ディクト）
無料
★★★★★★★★★★
