“人口生命素质指数”的概念、定义、翻译、参考文献-科学参考

单词	人口生命素质指数
释义	人口生命素质指数 Encyclopedia 法学人口与发展释 Physical quality index人口生命素质指数衡量人口的身体素质和科学文化素质的综合性指标。简称PQIL，又称生命的物质质量指标。
随便看	second cementing interface second characteristic polynomial second class of ordinal numbers second comparison test second complementary law second component second conjugate space second contact second control second cosine formula second cosine theorem second cosmic velocity second countability axiom second countable space second countable topological space second Cousin problem Second creation second critical magnetic field second cultivated machinery second curvature second demographic transition second derivative second derivative test second derivative test discriminant second development

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。