1. 分区：sectional view 截面图 | sectionalization 分区 | sectionalized busbars 分段母线

2. 分节：section 断面 | sectionalization 分节 | sectionalize 分成小部份

3. 分节 分组：sectionaliron 型铁 | sectionalization 分节 分组 | sectionalizationtest 分段测试

noun

1. the act of dividing or partitioning
separation by the creation of a boundary that divides or keeps apart

Synonym: divisionpartitionpartitioningsegmentationsectionalisation