“人口金字塔”概念、定义、翻译-科学时代

单词	人口金字塔
释义	人口学词汇手册人口金字塔 population pyramid
随便看	scarring moxibustion Scarron scar tattoo SCAR（Scientific Committee on Antarctic Research） SCA--SCA (Subordinate Certification Authority) SCA (Subordinate Certification Authority) scato- scatologia scatology scatology scatoscopy scat singing scatter scatter scatter scatter scatter scatter scatter scatter absorption coefficient scatterance scatterance scatter band scatter coefficient scatter communication

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。