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一个问题如果在计算机上可以快速解决,那么它属于P类问题;如果一个解可以快速验证,那么它属于NP类问题。
The key to risk management is prevention and early warning.
The true cost of food isn't just what you pay at the store—it's what the planet pays over time.
半导体产业是一个全球化的产业,我们必须融入全球产业链,同时也要有自己的核心技术。