“替代品威胁”概念、定义、翻译-科学时代

单词	替代品威胁
释义	广告学词汇手册替代品威胁 substitution threat
随便看	power source power source power source welding voltage power spectral density power spectral density power spectral density power spectrum power spectrum power spectrum power spectrum power spectrum power spectrum power spectrum power spectrum power spectrum power spinning power station power station power station power stretch power stroke power structure power structure power structure power struggle

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。