Simple System
| Security
| simple system | |
| avia. | 单一系统 |
| security | |
| auto.ctrl. | 安全, |
| busin. | 抵押品，担保 |
| corp.gov. | 保安 |
| dat.proc. | 系统安全 |
| econ. | 担保; 抵押; 提供贷款时要求的担保; 证券; 股票 |
| el. | 安全性 |
| |||
| 单一系统 | |||
| 简单系统 | |||
|
Simple System : 40 phrases in 14 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 7 |
| Business | 4 |
| Commerce | 1 |
| Economics | 4 |
| Electronics | 1 |
| Finances | 1 |
| Forestry | 1 |
| Information technology | 1 |
| Mathematics | 1 |
| Scientific | 1 |
| Technology | 14 |
| Textile industry | 2 |