“Demographic Problems”的概念、定义、翻译、参考文献-科学参考

单词	Demographic Problems
释义	Demographic Problems Encyclopedia 法学陈达释 Demographic Problems《人口问题》中国社会学家陈达撰写的有关人口学研究的专著。
随便看	single point mooring system single point positioning single-pole and two-wheeled vehicles single pole-piece magnetic head Single pole type transformer single-porosity media single precision single premium single-prism spectrograph single-prism spectrometer single-prism spectroscope Single product principle single program multiple data single program multiple data, SPMD single prop single pulse discharge energy single pulse TDS single-quadrant Cùk circuit single-quadrant DC converting circuit single quadrupole single qualitative weighted scoring method single-quantum annihilation single quantun well single-qubit quantum gate single-railed camera, monorail camera

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。