“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	identity state identity subgroup identity theorem identity token identity transformation identity tree Identity: Youth and Crisis identometer identric mean ideograph ideographic character ideological and political theory courses in colleges and universities ideological critique ideological film criticism theory Ideological History of Chinese Daoism ideological line Ideological Remoulding of the Intellectuals ideological state apparatuses ideological superstructure Ideology ideology Ideology and Ideological State Apparatuses ideology and morality ideology and politics Ideology and Utopia

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。