EORCOCA²⁸⁰¹³⁶⁺⁵BNC¹²⁶⁴¹⁶⁺⁴ 基本例句 =Earth Orbit Rendezvous 地球轨道会合¹⁰⁰ It depends upon the sampling methods and the size of the disease rate whether exposure odds ratio EOR in case- control studies can be used to estimate the CIR or IDR. 在病例对照研究中,是否可用暴露比值比 EOR作为 CIR或 IDR的无偏估计,取决于抽样方法和疾病率高低。 cnki