The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.
There is nothing either good or bad, but thinking makes it so.
Words are the bridges that connect the hearts of strangers.
【释义】对500名婴儿的颠覆性实验显示:高敏感婴儿对外界刺激的强烈反应,是未来内向特质的生物信号。