“official life table”概念、定义、翻译-科学时代

单词	official life table
释义	人口学词汇手册 official life table 官方生命表，正式生命表
随便看	trajectory trajectory trajectory trajectory trajectory trajectory trajectory trajectory trajectory bucket trajectory control trajectory data trajectory deflection angle trajectory design trajectory equation trajectory geodetic surveying trajectory measurement trajectory measurement system trajectory measuring system trajectory of fluid motion trajectory parameter trajectory tilt angle trajectory tracking system tram tram trama

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。