| 1. | Data processing research of gps dual frequency rapid positioning 双频快速定位的数据处理研究 |
| 2. | High measurement speed dual frequency laser interferometer 梅斯林干涉装置应用于激光告警的理论研究 |
| 3. | Dephasing dual frequency survey antenna 零相位双频测量型天线 |
| 4. | Subminiature dual frequency amplifier 超小型杆式双频放大器 |
| 5. | Dual frequency 4 in 1 out synthesizer 双频4进1出合成器 |
| 6. | Dual frequency 2 in 1 out synthesizer 双频2进1出合成器 |
| 7. | Dual frequency 1 in 8 out divider 双频1进8出分配器 |
| 8. | Study on dual frequency electromagnetic confinement and shaping process for stainless steel 不锈钢的双频电磁约束成形工艺参数优化 |
| 9. | The application of the dual frequency induced polarization method in antimony ore deposit in dachang area of guizhou 双频激电法在贵州大厂锑矿区的应用 |
| 10. | Two important applications are as band - pass radomes and as sub reflectors for dual frequency reflector antenna system 其最主要的两个应用是作为带通滤波器的天线罩和用作双频率反射天线系统的副反射器。 |