"隐元"是个多义词，它可以指隐元（明万历年间僧人）,隐元（影片）,隐元（网游《枪神纪》皮肤）。
如果能够从这些文档中提取出嵌入其中的隐式元数据，而不要求作者在文档之外添加显式元数据，那么就能够得到更多更好的元数据。
If they can extract the implicit metadata embedded in the documents rather than ask authors to add explicit metadata outside the documents, they can get both more and better metadata.
作为引子，你们可能已经知道了，一元微积分里面的一个小把戏，也就是求隐函数微分法。
And, just to motivate that, let me remind you about one trick that you probably know from single variable calculus, namely implicit differentiation.
还需注意，这种push方法还可以轻易集成一个隐写模块，以隐藏其他数据内部的神经元交互。
Also note that this push method can very easily be integrated with a steganography module to conceal neuron interactions inside other data.
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