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我想进行ADC转换，然后计算出实际的模拟电压，保留3位小数即可，我将数组ADCTable设置为float类型，然后按照下面操作是不行的，请问要如何操作才能实现保留3位小数？
被我弄出来了，不能/4096，而是/4096.0，这样就可以了
