“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	Program:ElectronicLibrary and Information Systems programer program evaluation Program Evaluation and Review Technique program evaluation and review technique program evaluation and review technology program exposure Program for full promotion of administration by law program format Program for the Development of Chinese Women Program for the International Assessment of Adult Competencies program freezer program function inspection program generator program halt programing programing algorithm programing language Programing Language/1 programing methodology programing problem programing process programing processor programing technique Program in Museums and Society，Krieger School of Art& Science，Johns Hopkins University

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。