| 1. | To detect these waves, astronomers use several kinds of large ground-based telescopes . 为了探测这些波,天文学家们使用了各种类型的地面大型望远镜。 |
| 2. | For example, dopple radar, airspeed, waterspeed, or some form of ground-based aids might be used . 例如,可以采用多普勒雷达、空速、水速、或者由地面基地提供的某种形式的信息。 |
| 3. | General specification for ground - based air warning radar 地面对空警戒雷达通用规范 |
| 4. | Ground - based electro - optical deep space surveillance 地面光电高空观测 |
| 5. | General specification for feeder subsystem of ground - based radar 地面雷达馈线分系统通用规范 |
| 6. | Tactic performance test methods for ground - based air warning radar 地面对空警戒雷达战术性能试验方法 |
| 7. | Nowadays he observes with hubble and ground - based instruments 现今,他是用哈伯太空望远镜及地面的仪器来进行观测。 |
| 8. | Review on ground - based sounding and retrieving of cloud microphysical parameters 云微物理参数的地基探测反演研究综述 |
| 9. | Ground - based detectors 陆基探测器 |
| 10. | Determination of the atmospheric aerosol model by ground - based spectral extinction measurements 地基消光测量确定大气气溶胶模型 |