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单击此处编辑母版标题样式,高考调研,第三章函数的应用,第,*,页,新课标,A,版,数学,必修,1,*,*,单击此处编辑母版标题样式,高考调研,高考调研,第,*,页,第三章,3.2 3.2.1,新课标,A,版,数学,必修,1,第三章函数的应用,2024/11/11,1,3.2函数模型及其应用,2024/11/11,2,32.1几类不同增长的函数模型,2024/11/11,3,2024/11/11,4,2024/11/11,5,2024/11/11,6,2024/11/11,7,2024/11/11,8,2024/11/11,9,2024/11/11,10,2024/11/11,11,2024/11/11,12,2024/11/11,13,2024/11/11,14,2024/11/11,15,2024/11/11,16,2024/11/11,17,2024/11/11,18,1.,什么是传统机械按键设计?,传统的机械按键设计是需要手动按压按键触动,PCBA,上的开关按键来实现功能的一种设计方式。,传统机械按键设计要点:,1.,合理的选择按键的类型,尽量选择平头类的按键,以防按键下陷。,2.,开关按键和塑胶按键设计间隙建议留,0.050.1mm,,以防按键死键。,3.,要考虑成型工艺,合理计算累积公差,以防按键手感不良。,传统机械按键结构层图:,按键,开关键,PCBA,2024/11/11,20,2024/11/11,21,2024/11/11,22,2024/11/11,23,2024/11/11,24,2024/11/11,25,2024/11/11,26,2024/11/11,27,2024/11/11,28,2024/11/11,29,2024/11/11,30,2024/11/11,31,2024/11/11,32,2024/11/11,33,2024/11/11,34,2024/11/11,35,2024/11/11,36,2024/11/11,37,课时作业(三十五),2024/11/11,38,
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