open Cassgrain antenna 开放式卡塞格伦天线
open end antenna 开端天线 ; 开路天线
open-ended coaxial antenna 异形开口同轴天线
A thunderstorm had better not open radio, because the radio antenna has the function of the lightning rod, can absorb the lightning, so be sure to save.
雷雨天气最好不要打开收音机，因为收音机的天线有避雷针的作用，会吸收闪电，所以一定要收起来。
An analysis of the antenna and scattering theory is an important part in the electromagnetic problems, which describes the energy transformation from a closed circuit system to an open space system.
电磁问题中有很大一类是研究天线和散射理论，即由封闭电路系统向空间开放系统的能量转换。
In order to achieve the communication between the ship board antenna and the synchronous communication satellite, a method by the digital guiding closed loop and level open loop tracker is presented.
为了实现船载天线与同步通讯卫星的通讯，根据坐标变换原理和实际使用要求，提出了数引闭环、电平开环的跟踪方法。
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