...一种思路，那就是在 精确算法的基础上进行输入数据舍入（rounding the input data）、状态空间修剪（trimming the state-space）等．当然，这里精确算法的运行时间—般都是非多项式的．算法设计的技巧和精髓 是如何在近似程度和运行时间之间进行权衡取舍．另外...
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另一种可能是，这种这种发生在产仔之后的“神经修剪”，实际上对于空间学习有好处。
It is also possible that the "nerve pruning" that takes place during motherhood actually benefits spatial learning, she speculates.
墙上早已爬满了茂盛的藤蔓，让我们不得不先进行修剪以腾出空间来制作墙树。
The walls are already covered with very healthy Trachelospermum, which we trimmed to make space.
现有的传统关联规则挖掘算法构建频繁候选项的方式和修剪技术是其应用于空间数据挖掘的技术难题。
The way of generating frequent candidate a nd pruning technology are difficult technical problem when prenest traditional association rules mining algorithm is used to spatial data mining.
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