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

单词	concrete operational stage
释义	心理学词汇手册 concrete operational stage 具体运思阶段，具体运算阶段
随便看	fractional order fractional part fractional period fractional polarization fractional polynomial fractional power fractional power fractional precipitation fractional precipitation fractional precipitation fractional premium fractional quantum Hall effect fractional replication fractional replication fractional reserve banking fractional reserves fractional reserves banking fractional search fractional separation fractional share fractional share fractional share fractional share certificate fractional share warrant fractional slot winding

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。