麻烦请问 SparseFeat中的embeddings_initializer初始化值怎么获取查看呢，另外use_hash后的效果怎么查看呢

[lonngxiang]

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Operating environment(运行环境):

• python version [e.g. 3.6]
• tensorflow version [e.g. 1.4.0, 1.15.0, 2.5.0]
• deepctr version [e.g. 0.9.0,]