“concrete operational stage”概念、定义、翻译-科学时代

单词	concrete operational stage
释义	社会学词汇手册 concrete operational stage 具体运思期
随便看	price difference price difference price difference price difference price difference price differential price differential price discount price discovery process price discretion price discrimination price discrimination price discrimination price discrimination price discrimination price discrimination price discrimination price discrimination price dissemination price duty paid price duty paid price duty paid price/earning ratio (P/E ratio) price-earnings multiple price-earnings multiple

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。