https://blog.csdn.net/hhy_csdn/article/details/82263007
https://blog.csdn.net/weixin_44038165/article/details/102959059
docs:https://github.com/tensorflow/tensorflow/blob/r2.0/tensorflow/python/ops/random_ops.py
https://blog.csdn.net/hhy_csdn/article/details/82263007
https://blog.csdn.net/weixin_44038165/article/details/102959059
docs:https://github.com/tensorflow/tensorflow/blob/r2.0/tensorflow/python/ops/random_ops.py