“number of persons per household”概念、定义、翻译-科学时代

单词	number of persons per household
释义	人口学词汇手册 number of persons per household 平均每户人数
随便看	feedback loop feedback loop feedback mechanism feed-back mechanism feedback neural network feedback of information feedback of learning feedback pay feedback ratio feedback shift register feedback signal feedback suppression feedback system feedback system feedback type rate gyroscope feed base feed belt feed bin feed board feedbox feed charging meter feed chute feed control feed control feed conversion rate

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。