| 1. | Protective helmets - test methods - retention system effectiveness
防护帽.试验方法.系统效能保持 |
| 2. | Standard guide for estimating oil spill recovery system effectiveness
评估油溢回收系统有效性的标准导则 |
| 3. | The discussion of the enterprise quality management system effectiveness
提高企业质量管理体系运行的有效性 |
| 4. | Evaluate the system effectiveness
评估系统的有效性： |
| 5. | Sed system effectiveness demonstration
系统效果演示 |
| 6. | Protective helmets - test methods - part 4 : retention system effectiveness
防护头盔.试验方法.第4部分:保持系统有效性 |
| 7. | Study of basic theorem and method for military satellite systems effectiveness evaluation
军用卫星系统效能评估的基本原则与方法研究 |
| 8. | Combinatorial analysis of management information system effectiveness evaluation on agricultural mechinery enterprises
效果测度的组合分析方法 |
| 9. | Protective helmets - test methods - part 4 : retention system effectiveness ; german version en 13087 - 4 : 2000
防护头盔.试验方法.第4部分:保持系统效能 |
| 10. | Elements of electrical and optical connection - test methods - contact retention system effectiveness
电气和光学连接元件.试验方法.接触固定系统有效性的测定 |
