basic technology; fundamental technique
Refers to foundational or core technology, often in engineering, IT, or skill-based contexts. Can also imply a generic or underlying technical approach.
We are focusing on the development of basic technology in this project.
It is important to firmly acquire fundamental techniques.
応用技術 refers to applied technology, building on 基礎技術 (basic technology).
基本技術 is a near-synonym also meaning basic technique, but 基礎技術 often emphasizes the underlying foundation or infrastructure.
Compound of 基礎 (foundation, basis) and 技術 (technology, technique).