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在设计身份认证系统时,需要考虑识别准确度和速度。还应该提供备用的身份认证方式,以应对某些用户无法使用特定识别方式的情况

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阻燃海绵软包的阻燃机制主要包括物理阻隔、化学抑制和热阻断三个方面。物理阻隔是指阻燃材料的孔隙结构能够阻止火焰和烟气的传播;化学抑制是指阻燃材料中的化学物质能够抑制火焰的燃烧过程;热阻断是指阻燃材料能够吸收和分散热量,阻止火势的蔓延。

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