“rate of planned birth”的概念、定义、翻译、参考文献-科学参考

单词	rate of planned birth
释义	rate of planned birth Encyclopedia 法学计划生育释 rate of planned birth计划生育率某地区某时期内（通常指一年），符合计划生育要求出生的所有活产婴儿数与该地同时期内出生的活产婴儿总数之比。
随便看	undefined technical term undefined term undeflected undeformed undegraded undegraded neutron undelayed neutron undemonstrable Undeniable Signature undepleted flux underactuated control underactuated mechanism underageing underage opera performer under annealing underbalance underbalanced accurate pressure control drilling under balanced perforation underbar underbrace underbunching under cadmium neutron undercapacity undercharge under color addition（UCA）

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。