最終更新日：2025/11/21
The research team built a parametric array to focus underwater acoustic energy by exploiting local variations in the speed of sound.
正解を見る
The research team built a parametric array to focus underwater acoustic energy by exploiting local variations in the speed of sound.
音声機能が動作しない場合はこちらをご確認ください
編集履歴（0）
