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: division partition partitioning segmentation sectionalisation