[tf.keras 内置数据集] (https://keras.io/zh/datasets/)
tf.data.Dataset.from_tensor_slices (https://blog.csdn.net/Dr_jiabin/article/details/93366661)
keras.layers.BatchNormalization()
keras.layers.LeakyReLU()
from_logits
tf.keras.losses.BinaryCrossentropy(from_logits = True)
tf.one_like
tf.zeros_like