“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	parabolic system of differential equations parabolic throat flume parabolic transformation parabolic trough concentrator parabolic trough solar power Plant parabolic trough tube receiver parabolic type parabolic umbilic parabolic umbilic catastrophe parabolic variational inequation parabolic velocity parabolic web of spheres parabolism parabolograph paraboloid paraboloidal paraboloidal antenna paraboloidal coordinate paraboloidal mirror paraboloidal radio telescope paraboloidal reflector paraboloidal surface paraboloid antenna paraboloid cone paraboloid geodesic

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。