英语词汇frequency downconversion怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	frequency downconversion
释义	frequency downconversion 简明释义降频转换网络释义 1 ?降频转换条 ... 证卷的偿债基金条款 sinking fund provision 降频转换条，中文加：又称频率下转换 frequency downconversion 证卷纸 bond paper ... 2 ?降频转换降频转换双语例句 1 The examination hardware system is developed, which includes system design, A/D sampling subsystem, frequency detection and downconversion subsystem, PCI data transmission subsystem. 完成了硬件实验平台的研究与开发，包括系统的硬件设计方案，以及A/D数据采样板、测频与下变频处理板和PCI 卡的设计。
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。