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This paper introduced a multifunctional test-tube rack for nucleic acid sample collection. This test-tube rack has designed to reduce the incidence of spillage of specimen fluid, improve the quality of test-tube fixation and reduce the occupational injuries to medical workers. (本文介绍一种多功能核酸采样试管架的设计与应用。该多功能核酸采样试管架应用于核酸采样过程中, 可有效降低标本液外洒发生, 提高采样管固定质量, 降低医务人员职业伤害。)