此例是利用BP神经网络学习三位二进制代码的识别功能，例如当学习完后输入101,判断出结果为5，输入010判断结果为2，参看测试结果截图。-This case is the use of BP neural network learning three binary code recognition, for example, when after learning input 101, to determine the result of 5, 010 judgment result is tw