tf.argmax:https://blog.csdn.net/qq575379110/article/details/70538051/
tf.equal: https://blog.csdn.net/uestc_c2_403/article/details/72232924
tf.reduce_mean : https://blog.csdn.net/he_min/article/details/78694383
tf.argmax:https://blog.csdn.net/qq575379110/article/details/70538051/
tf.equal: https://blog.csdn.net/uestc_c2_403/article/details/72232924
tf.reduce_mean : https://blog.csdn.net/he_min/article/details/78694383