对密码学家来说，“难”意味着用成千上万台系统来计算，并且要用数月、数年，甚至有时要到宇宙末日才能得到解。
To cryptographers, "hard" means computing with thousands of systems and getting an answer in months, years, or sometimes after the end of the universe.
对密码学家来说，“难”意味着用成千上万台系统来计算，并且要用数月、数年，甚至有时要到宇宙末日才能得到解。
To cryptographers, "hard" means computing with thousands of systems and getting an answer in months, years, or sometimes after the end of the universe.
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