“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	pavement design of interlocking block pavement design service life pavement durability pavement heating and mixing machine pavement heating machine pavement maintenance pavement management system pavement mechanical analysis pavement modulus back-calculation pavement of forest road pavement performance pavement performance index pavement recycling pavement roughness pavement shoulder pavement skid resistance performance pavement tests PAVE PACE program PAVE PILLAR program paver paverage ionization energy loss paviin pavilion pavilion for paper incineration and word worship Pavilion of Chenxiang

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。