“frequency conversion technique”的概念、定义、翻译、参考文献-科学参考

单词	frequency conversion technique
释义	frequency conversion technique Encyclopedia 工学【通信基础理论】释 frequency conversion technique频率搬移技术在发射端将调制信号从低频端搬移到高频端，便于天线发送或实现不同信号源、不同系统的频分复用的技术。
随便看	combined circulation combined classification of documents and archives combined cleaner combined compressor combined concentrator of multiple departments combined cooling combined cooling,heat and power combined cooling, heating and power combined cycle combined cycle of gas turbine combined cycle of power and cooling energy combined cycle with boiler feeding water heating combined cycle with pressurized combustion boiler combined derivative spectrophotometry combined development of open pit combined development of underground mine combined diffuser combined direct and transfer translation approach combined disconnector combined dispatching of ground water and surface water combined distribution systems combined drill combined echo ranging echo sounding combined electrochemical machining combined engine inlet

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。