... Study Validity and 研究的真实性与因果推断 study Population and methods 研究对象与方法 study idea and consciousness 提升学习理念和意识 ...
基于1个网页-相关网页
The aims of this study were to evaluate the reliability of the current methods and to derive normal population values with these methods.
本研究的目的是评估现有方法的可靠性及取得正常人应用这些方法的测量值。
Methods This population cohort study linked the National Health Insurance files, family registration, and death certificates.
方法：这次大范围人口调研与全国健康保险档案，家庭登记，和死亡证明相关联。
Using system science methods to study the system control of pest insect population, has an obvious social significance and practical value.
以系统科学方法研究害虫种群系统的控制，具有明显的社会意义和实践意义。
应用推荐