This means it is very difficult to take a hash and "unhash" it to find the original input data.

这意味这它很难“反加密” 得到原始输入数据。

youdao

The correct solution can not be obtained for the original input data, even though the impedance matrix is not ill conditioned.

对于原始的输入数据，不可能得到正确的结果，尽管阻抗矩阵并不是病态的。

youdao

The mapping between the original message and the service request is a simple one-to-one operation with a subset of the input data being involved.

原始消息和服务请求之间的映射是简单的一对一操作，涉及到输入数据的一个子集。

youdao

Just as homomorphic encryption allows people to aggregate two functions without knowing the original input, new data mining technologies may allow meaningful statistical results without access to original raw user data.

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