“directional coupler”的概念、定义、翻译、参考文献-科学参考

单词	directional coupler
释义	directional coupler Encyclopedia 工学【微波器件】释 directional coupler定向耦合器用来分配或合成微波信号功率并具有定向耦合特性的微波元件。 Physics 光学、声学光学 directional coupler定向耦合器＞光学＞集成光学＞释义 directional coupler定向耦合器 Astronomy directional coupler定向耦合器
随便看	normal theta-function normal time normal to a curve normal to a plane normal to a surface normal tone normal topological space normal topology normal tower normal trace normal tracial weight normal transformation normal triangular matrix normal ultrafilter normal union normal valuation normal value normal variate normal variety normal vector normal vector bundle normal vector field normal velocity normal vibration normal weather radar

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