不建议在栽种后剪枝。
论文是决策树简化方法的一个综述，包括预剪枝、后剪枝和其它方法。
This paper is a brief survey of several methods for decision tree simplification, including the pre-pruning, post-pruning and the other methods.
这避免了后剪枝策略所需的高昂代价，减少了扫描磁盘数据的次数和大量的CPU时间，进一步提高了算法的效率。
This avoid high cost by using post-pruning measure which require many times for scanning disk data and amount of CPU time. So we gain a high efficiency.
缺钾茶丛剪枝后的再生率低，且不正齐。
Recovery of potassium deficient bushes after pruning is poor and irregular.
缺钾茶丛剪枝后的再生率低，且不正齐。
Recovery of potassium deficient bushes after pruning is poor and irregular.
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