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纠缠不仅仅是量子理论的一个奇特特征,它是量子力学的标志性特征。
Art belongs to everybody and nobody. Art belongs to all time and no time. Art belongs to those who create it and those who savor it. Art no more belongs to the people or the time than it belongs to the critics or the collectors.
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
保持谦逊,保持渴望
"Art is not a mirror to reflect reality, but a hammer with which to shape it."
The market needs solutions, not just products.