工业中采集到的数据常为32位的浮点数（浮点数是采用IEEE标准实际有效位为低23位）。本程序实现32位浮点数转换为10进制的实数。转换方法严格按照转换算法。-In the industrial data collected is often a 32-bit floating point Numbers (floating point number is real effective by the IEEE standard for low 23). This procedure realize