Suggestion : according to the water cubage of aquarium ( pool ) and max. flux if pump , and the size of tube diameter, cut the pagoda type hose joint to match if.
建议：宝塔式水管接头，可根据水族箱（池）的水容积及水泵最高流量，结合管径大小加以切除配套。
The famous max-flow min-cut theorem determines the maximum throughput of a network.
最大流最小割定理决定了网络的最大吞吐量。
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。
应用推荐