“升频转换”的概念、定义、翻译、参考文献-科学参考

单词	升频转换
释义	升频转换 Physics 光学、声学光学 frequency upconversion升频转换又称“频率上转换”。 frequency upconversion升频转换^† upconversion①上转换 ②升频转换，增频转换
随便看	covering space covering structure covering surface covering system of congruences covering theorem covering transformation covering transformation group cover of a graph cover or glue sand fixation cover plant cover relation coversed sine coversed-sine function coversine coversine function coverslip covert channel covert coverage covert eight immortals cover textiles for vehicles covert interview cover transformation covert self control covert translation cover-type kiln

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。