研究了信息产品的价值实现，揭示出信息产品价值的实现过程是一个非等价交换和价值变化的过程；

A process which information product value is not a equivalent exchange and value changing has been shown after studying the value realization of it.

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对当前技术的保守推断表明，每个书本大小的可移动硬盘(或者等价的非易失性内存芯片)能存储大约60兆字节。

Conservative extrapolation of current technology suggests that match-book size removable hard disks (or the equivalent nonvolatile memory chips) will store about 60 megabytes each.

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本论文从可分(非纠缠)性的判别及局域幺正变换下的不变量的等价类的角度来研究量子纠缠的性质。

We have investigated the properties of entanglement by criterion of separability (non-entanglement) and equivalence of quantum states under local unitary transformations.

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