“variable cost”概念、定义、翻译-科学时代

单词	variable cost
释义	广告学词汇手册 variable cost 可变成本
随便看	bright line bright-line finder bright-line finder (BLF) bright-line finder--bright-line finder (BLF) bright-line spectrum bright line spectrum Brightman，Sarah bright mottle bright nebula bright nebulosity brightness brightness brightness brightness brightness brightness brightness brightness brightness brightness brightness coefficient brightness comparison brightness constancy brightness contrast brightness contrast

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。