“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	ancient Rome vertical mill wheel ancient seed coating technique Ancient Ship at Penglai ancient ships Ancient Ship, Women and Net ancient silkworm rearing implements Ancient Sites and Stelae in North of the Yellow River Ancient Sites in China Ancient Society Ancient Sogdian Letters ancient sports in foreign countries Ancient Subsistence Study ancient.sunspot observation ancient systematic scientific thought Ancient Tea Garden at Yushan ancient tea set ancient thread stitching ancient timers Ancient Tombs at Baling Hill Ancient Tombs at Leigudun Ancient Tombs at Liudingshan Ancient Tombs at Longtoushan Ancient Towpath ancient tree group in Eryuan County ancient trees in Beijing center

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。