“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	direct-connect test direct consequence direct construction direct contact condensation direct-contact cool storage device direct coproduct direct correlation direct correspondence direct cost of books and periodicals direct count direct counting direct coupled transistor logic direct coupled transistor logic, DCTL direct-coupling hoist direct credit control direct cropping direct cross direct cross-border securities offerings direct current direct current amplifier direct current arc furnace steelmaking direct current arc source direct current bridge direct current bridge, DC bridge direct current, DC

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。