“portfolio effect”概念、定义、翻译-科学时代

单词	portfolio effect
释义	商务词汇手册 portfolio effect 投资均衡效果，风险均衡效果
随便看	proportional opposition proportional plus integral control proportional plus integral plus derivative control proportional regulating system proportional reinsurance proportional representation proportional representation proportional sampling proportional sampling proportional scale proportional sensitivity proportional stratified sampling proportional sub-class number proportional syllogism proportional symbol proportional tax proportional tax proportional tax proportional taxation proportionate area by age class proportionate grant proportionate measurement proportionate metaphor proportionate sampling proportion by addition

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。