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
계측기학은 측정 기기의 원리와 응용을 연구하는 학문입니다.Gyecheugihak-eun cheugjeong gigi-ui wonriwa eungyong-eul yeonguhaneun hakmun-imnida.Instrumentology is the study of the principles and applications of measuring instruments.