Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
물리학에서 파동론은 파동의 성질을 연구하는 학문입니다.mullihakeseo padongron-eun padong-ui seongjil-eul yeonguhaneun hakmunimnida.In physics, wave theory is the study of the properties of waves.