| Subject | English | Japanese |
| tech. | statically determinate principal system | 静定基本糸 (せいていきほんけい) |
| tech. | statically determinate principal system | 静定基本構 (せいていきほんこう) |
| tech. | statically determinate principal system | 静定基本形 (せいていきほんけい) |
| tech. | statically determinate system | 静定系統 (せいていけいとう) |