block triangular
| matrix
| block triangular abbr. | |
| econ. | 区三角 |
| matrix abbr. | |
| agric. tech. | 打捆机; 粘料; 粘接介质; 矩阵粘合材料; 胶接剂 |
| hydroel.st. од. | 矩阵 |
| nucl.phys. | 基料; 封装基料 |
| soil. | 基体 |
| |||
| 区三角 | |||
|
block triangular : 7 phrases in 3 subjects |
| Mathematics | 2 |
| Statistics | 3 |
| Technology | 2 |