The flight attendant stayed inside the cockpit for a brief chat just as controllers were instructing the crew to switch to another radio frequency.
就在地面塔台正在指示飞行员转向另外一个无线电通话频率时，这位空服人员呆在驾驶舱短暂聊了会儿。
As a kind of MEMS actuators, micro mechanical radio frequency switch is a representational structure of micromechanical technology, and basis of many micro mechanical components.
微机械射频开关作为MEMS执行器的一种，是微机械技术中的一类有代表性的结构，是很多微机械器件的基础。
A DC-contact series radio frequency(RF) micro electromechanical system(MEMS) switch with slanting beams was developed to eliminate warping of the cantilever beam due to residue stresses.
为解决悬臂梁结构的射频微机电系统开关在残余应力的作用下会发生翘曲的问题，提出在悬臂梁的顶端引入斜拉梁的方法。
Isolation of the T/R switch must be considered when the high power transmitter is connected to the low power radio frequency unit by T/R switch as the radar antennas are reciprocal.
雷达天线往往收发共用，通过收发开关连接高功率发射单元和低功率射频单元要考虑收发开关的隔离度问题。
Isolation of the T/R switch must be considered when the high power transmitter is connected to the low power radio frequency unit by T/R switch as the radar antennas are reciprocal.
雷达天线往往收发共用，通过收发开关连接高功率发射单元和低功率射频单元要考虑收发开关的隔离度问题。
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