“positive frequency”的概念、定义、翻译、参考文献-科学参考

单词	positive frequency
释义	positive frequency 正频率
随便看	flip-flop element flip-flop frequency divider flip-flop generator flip-flop intergrated circuit flip-flop mirror flip-flop number flip-flop register flip-flop ring flip-flop shift register flip-flop sign flip-flop stage flip-flop storage flip-flop transition time flip mirror flipopen cutout fuse flip-over process flipper flipper guide flip-top printing frame flip-up target flist flitch flitch beam flitch chunk flitch dam

科学参考收录了1248194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。