Radio observation of 1999 strong leonid meteor shower
一九九九年狮子座强流星雨的无线电观测
rawinsonde observation
无线电探空测风观测
balloon-based radio astronomy
气球观测无线电天文学
The Assimilation Experimentation of Observational Data of GPS Radio Occultation;
GPS无线电掩星观测数据的同化试验
The findings are relayed by radio to observation points on the earth.
探测到的结果通过无线电传送到各地面观察点。
radio frequency emission testing
无线电频率放射测试
radiodetermination-satellite service
卫星无线电测定业务
radiosounding system
无线电高空测候技术
radiosonde-radiowind system
无线电探空测风系统
radio-microwave telemetering system
无线电-微波遥测系统
automatic radio compass
自动无线电测向仪［罗盘］
automatic digital radio direction finder
自动数字无线电测向仪
naval radio direction finder service
舰船无线电测向仪业务
radio communication direction finding equipments
无线电通信测向设备
fix by radio cross-bearing
无线电测向仪交叉定位
emergency radio direction-finding system
应急无线电测向系统
radio interference field strength measuring instrument
无线电干扰场强测量仪
radio beacon and direction finding station
无线电信标和测向站
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