“symmetrical antenna”的概念、定义、翻译、参考文献-科学参考

单词	symmetrical antenna
释义	symmetrical antenna Encyclopedia 工学【长、中、短波天线】释 symmetrical antenna对称天线在馈电点将天线分为两半，这两半的几何结构形式和尺寸完全相同的天线。如菱形天线、鱼骨形天线等。反之，则称为不对称天线。
随便看	knowledge quantitative evaluation knowledge quantity knowledge query and manipulation language knowledge query and manipulation language, KQML knowledge reasoning knowledge reduction knowledge redundancy knowledge representation knowledge representation and reasoning knowledge representation ontology knowledge resources knowledge retrieval knowledge reuse knowledge revolution knowledge science knowledge search knowledge self-organization process knowledge service knowledge services knowledge service system knowledge sharing knowledge sharing culture knowledge sharing mechanism knowledge,skill & ability knowledge society

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。