primary sampling
| system
| primary sampling abbr. | |
| tech. | 一级抽样 |
| system abbr. | |
| gen. | 体 |
| IMF. | 安排 |
| interntl.trade. | 系统分析 |
| math. | SPOOLING 系统 |
| met. | 装置 |
| met. од. | 系 |
| tech. | 制度; 方法 |
| tech. од. | 体系; 系统 |
| |||
| 一级抽样 | |||
|
primary sampling : 17 phrases in 10 subjects |
| Agriculture | 2 |
| Automobiles | 1 |
| Business | 2 |
| Demography | 1 |
| Electronics | 1 |
| Forestry | 1 |
| Marketing | 1 |
| Statistics | 2 |
| Technology | 5 |
| Textile industry | 1 |