noun
close classification system; depth classification system
A computing term for a classification system that organizes items into a detailed, hierarchical structure with many subdivisions. Rare outside technical documentation.
この図書館では、精密分類体系を用いて蔵書を整理している。
This library organizes its collection using a close classification system.
A general classification system, without the nuance of being particularly detailed or deep.
Compound of 精密 (precision) + 分類 (classification) + 体系 (system). The exact historical derivation is uncertain; the term is a modern technical coinage.