“negative video signal”概念、定义、翻译-科学时代

单词	negative video signal
释义	广播影视词汇手册 negative video signal 负视频信号
随便看	quotation quotation quotation quotation quotation quotation quotation quotation quotation quotation quotation quotation expiration date quotation form quotation lead quotation-mark name quotation marks quotation sheet quotation spread quotation standard control quotation table quotative quota utilization quota utilization rate quote quote

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。