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随着医学实验的不断丰富，多种新药、新疗法等不断涌现。为了更好地说明问题，使其具有真实性、实用性，必须进行临床科研试验。临床科研试验设计就是临床科研具体内容、方法的设想和计划安排，包括专业设计和统计学设计。如果设计不严谨，试验组和对照组缺乏可比性，观察对象
With the constant enrichment of medical experiments, many new drugs and new therapies continue to emerge. In order to better explain the problem and make it true and practical, clinical trials must be conducted. The clinical research experiment design is the assumption and plan for the specific contents and methods of clinical research, including professional design and statistical design. If the design is not rigorous, there is a lack of comparability between the test group and the control group.