f、实验死亡率（Experimental Mortality）：不是生理上的死亡，指实验的中途 退出（受试者流失） g、因果时序（Casual Time-order）：在很多情况下，由于因变量与实验刺激...
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病死率/实验性死亡率 Death rate
NLST则是第一次包含大量随机指定的受试者的实验，使得在螺旋CT成像和X射线胸透之间做死亡率的比较成为了可能。
The NLST is the first trial with sufficient numbers of participants using a randomized design to enable the comparison of mortality differences between spiral CT and chest X-ray, Aberle said.
无数的研究和临床实验显示，这种饮食可降低心血管疾病和癌症的死亡率。
It has been shown in numerous studies and clinical trials to reduce mortality from such causes as cardiovascular disease and cancer.
出于若干原因，这些数字不能反映流感大流行期间死亡率的真实情况，而毫无疑问的是实际死亡率要高于实验室确认病例显示的情况。
For several reasons, these Numbers do not give a true picture of mortality during the pandemic, which is unquestionably higher than indicated by laboratory-confirmed cases.
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