| 1. | The secondary filtration system is identical with the primary one . 二段过滤系统与一段过滤系统类似。 |
| 2. | Research and implementation of spam filtering system 垃圾邮件过滤系统的研究与实现 |
| 3. | Lens gringding and polishing filtration systems 镜片研磨及其抛光过滤系统 |
| 4. | Design of mail filter system based on arithmetic 基于最小风险贝叶斯算法的邮件过滤系统设计 |
| 5. | Lens grinding and polishing filtration systems 镜片研磨及抛光过滤系统 |
| 6. | An electronic mail analysis system 个人化电子邮件自动过滤系统的设计 |
| 7. | Study on network information filtering system 网络信息过滤系统研究 |
| 8. | Water - oil separation and filtration system 油水分离与过滤系统。 |
| 9. | Research and design of a hybrid spam mail filtering system 一种混合型垃圾邮件过滤系统的研究与设计 |
| 10. | Jug water filter systems - specification 水壶水过滤系统.规范 |