“NNH”的概念、定义、翻译、参考文献-科学参考

单词	NNH
释义	NNH Encyclopedia 医学不良反应研究释 number needed to harm; NNH发生1例不良事件所需要的暴露人数在研究中，接触可能的致病因素才能产生一例额外不良反应所需要的病人数。
随便看	closed universe closed walk closed world assumption closed-world assumption closed wound of neck close eigenvalue close embedding close encounter close hypersurfaces close loop control closely coiled arm closely coupled state Closely Observed Trains Closely Watched Trains close matrix closeness close-packed direction close-packed plane close-packed structure close packing close path Green function closer close-range photogrammetry close reading close satellite

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。