noun
precision engineering
Technical field concerned with designing and manufacturing high-precision components and systems.
彼は大学で精密工学を専攻している。
He is majoring in precision engineering at university.
精密工学の技術は半導体製造に欠かせない。
Precision engineering techniques are essential for semiconductor manufacturing.
Compound of 精密 (seimitsu, 'precision') and 工学 (kōgaku, 'engineering').