“active antenna”的概念、定义、翻译、参考文献-科学参考

单词	active antenna
释义	active antenna Encyclopedia 工学【特种天线】释 active antenna有源天线在含金属和介质的一般天线中，还含有晶体三极管、隧道二极管、变容二极管等有源器件的天线。
随便看	degree of polarization measurement degree of polydispersity degree of polymerization degree of precision degree of profile degree of ramification degree of reaction degree of reduction balance degree of reserve recovery degree of resolution degree of rocky desertification [degree of] roughness degree of roughness degree of saturation of soil degree of separability degree of shock metamorphism degree of singularity degree of soil erosion potentiality degree of solvability degree of spatial equilibrium degree of stability degree of structural reliability degree of swelling degree of symmetry degree of syndiotacticity

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