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计算机科学中理论与实践之间的相互作用是推动创新和进步的动力。
The best way to untangle a knotty tangle is not to “untie” the knots, but to keep pulling the loops apart wider and wider. Just make the mess as big, loose and open as possible. As you open up the knots they will unravel themselves. Works on cords, strings, hoses, yarns, or electronic cables.