“集中广告支出［投放成本］”概念、定义、翻译-科学时代

单词	集中广告支出［投放成本］
释义	市场营销词汇手册 burst advertising expenditure 集中广告支出［投放成本］
随便看	transition density function transition device transition diagram transition economy transition education transition effect transition element transition element transition energy transition energy transition energy transition energy transition energy transition entropy transition fit transition flow transition flow transition flow transition frequency transition function transition graph transition heating region transition height transition impedance transition induced by intense laser

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。

burst advertising expenditure