“剪枝”的英语

苹果树应该什么时候剪枝？When should you prune apple trees?玫瑰花越开越少. 该是剪枝的时候了.Roses are out of bloom. It is time to prune the roses.提出的剪枝方案降低了决策树的计算复杂度.The proposed pruning stragey reduced computational complexity of the decision tree...