结果：主要影响样本大小的参数为易感基因频率、环境因素暴露率、基因遗传方式，而疾病的发生率对样本量影响很小。
Results: The most influential parameters of sample size were susceptibility frequency of the genotype, environmental exposure factors in the population, and genetic modes.
结果：主要影响样本大小的参数为易感基因频率、环境因素暴露率、基因遗传方式，而疾病的发生率对样本量影响很小。
Results: The most influential parameters of sample size were susceptibility frequency of the genotype, environmental exposure factors in the population, and genetic modes.
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