Let's now go back and instantiate these ideas for the knapsack problem we looked at last time in particular, for the 0-1 knapsack problem.
让我们回来用具体例子，来说明我们上次看过的背包问题，特别是对0 - 1背包问题来说。
The idea of rank two relaxation for max-cut problem is used to quadratic knapsack problem, and the model of the rank two relaxation for quadratic knapsack problem is obtained.
把对最大割问题进行秩二松驰的思想应用到二次背包问题上，得到二次背包问题的秩二松驰模型。
The precise and approximate algorithms solving 0-1 knapsack problem, precise algorithm could not be used to solve 0-1 knapsack problem in a short time, so it could not be applied extensively.
求解0 - 1背包问题的精确算法不能在较短时间内求解大规模0 - 1背包问题，使其实用性受到限制。
The precise and approximate algorithms solving 0-1 knapsack problem, precise algorithm could not be used to solve 0-1 knapsack problem in a short time, so it could not be applied extensively.
求解0 - 1背包问题的精确算法不能在较短时间内求解大规模0 - 1背包问题，使其实用性受到限制。
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