particle number
| density
| particle number | |
| avia. | 粒子数 |
| density | |
| bridg.constr. | 稠密; 密实度 |
| econ. | 密度 |
| hydroel.st. | 浓度 |
| met. | 密金; 比重 |
| space | 厚度; 不透明度 |
| tech. | 密度 |
| tech. од. | 密度 |
| |||
| 粒子数 | |||
|
particle number : 11 phrases in 7 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Refrigeration | 1 |
| Technology | 4 |