我了解射频天线的相关知识的翻译：I understand knowledge of RF antenna 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I understand that the knowledge of the RF antenna

I understand knowledge of RF antenna

I understand the radio frequency antenna the related knowledge

I know radio frequency antenna of relevant knowledge

I understand knowledge of RF antenna