“上变频调制”的概念、定义、翻译、参考文献-科学参考

单词	上变频调制
释义	上变频调制 Encyclopedia 工学无线光通信释 up-conversion modulation上变频调制将具有一定频率的信号调制到具有更高频率的载波上并用于传输。
随便看	cardinal inequality cardinal invariant cardinality cardinality function cardinality of a set cardinality of the continuum cardinality property cardinally equivalent set cardinal multiplication cardinal number cardinal number class cardinal number of a set cardinal number of the continuum cardinal of the Holy Roman Church cardinal plane cardinal point cardinal point of coaxial optical system Cardinal Principles of Secondary Education cardinal product cardinal signs cardinal sum cardinal vowels carding carding machine cardioblast

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。