“生态趋势研究”的概念、定义、翻译、参考文献-科学参考

单词	生态趋势研究
释义	生态趋势研究 Encyclopedia 医学生态趋势研究释 ecological trend study生态趋势研究连续观察目标人群中某因素平均暴露水平的改变和某种疾病的发病率、死亡率变化的关系，了解其变动趋势；或者通过比较暴露水平变化前后疾病频率的变化情况，来判断两者间关系的群体研究。
随便看	positive and negative positive and negative energy plane wave solutions of Dirac equation positive and negative feedback modes of scanning electron microscope positive angle positive angle shot positive asymmetry positive bias positive boundary positive bounded operator positive braid positive bundle positive calculus positive chain complex positive channel metal-oxide-semiconductor circuit positive channel metal-oxide-semiconductor integrated circuit positive charge positive closure positive clutch positive column positive complex positive component positive cone positive contrast positive contribution positive contribution Monte Carlo method

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。