...总是能很好地将各个类别分离开来,这时就会遇到之前提到过的问题:过拟合(overfitting),即太依赖于训练样本。剪枝(pruning)则是决策树算法对付过拟合的主要手段,剪枝的策略有两种如下: * 预剪枝(prepruning):在构造的过程中先评估,再考虑是否分支。
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...1苗木网 关键词:五角枫球、快速成型、修剪、施肥、防病虫害 [gap=399]Keywords: five Maple ball, rapid prototyping, pruning, fertilization, pest and disease prevention ...
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pruning shears 修枝剪 ; 大剪刀 ; 枝剪 ; 修枝大剪刀
pruning knife 建枝刀
pruning shear 修枝剪 ; 茂崴企业股份有限公司 ; 整枝剪
winter pruning [园艺] 冬季修剪 ; 冬季整枝
root pruning [农] 剪根 ; 根系修剪 ; 修根
pruning saw 修剪锯 ; 修枝手锯 ; 腰锯 ; 修枝锯
Static Index Pruning 静态索引裁剪 ; 动态索引裁剪 ; 态索引裁剪
Partition Pruning 分区裁剪 ; 分区剪除 ; 分区修剪
summer pruning 夏季修剪 ; 生长期修剪
2)Research on the pruning approach of decision tree.
2)对决策树剪枝方法进行研究。
参考来源 - 基于粗糙集理论的决策树生成与剪枝方法Themain contents and conclusions drawn in the dissertation:1. This thesis works out the study object and remote control mode of the controlsystem of automatic pruning machine.2.
本研究的主要内容和结论如下:1、确定了自动立木整枝机控制系统的研究对象以及遥控方案。
参考来源 - 人工林无线电传输特性与立木整枝机控制系统研究The results showed that the lowest pruning heights of Pinus armandii trees were 0.82 m,0.92 m,1.13 m,1.20 m,1.22 m,while forest fuel loads were 1.77 kg/m2and 2.37 kg/m2,2.96 kg/m2,3.55 kg/m2 and 3.84 kg/m2,respectively.
经推算,可燃物载量为1.77 kg/m2、2.37 kg/m22、.96 kg/m23、.55 kg/m23、.84 kg/m2时,华山松人工林的最低安全修枝高度分别为0.82 m、0.92 m、1.13 m1、.20 m1、.22 m。
参考来源 - 预防华山松树冠火的最低修枝高度探讨In this thesis, we discuss the principles and implementation of Viterbi beam search algorithm in depth, and discuss the state level pruning, word level pruning and maximum model pruning.
本文深入分析讨论了Viterbi beam搜索算法的原理、特点和实现技术,详细讨论了状态层、词层的搜索空间裁剪策略和最大模型数裁剪策略。
参考来源 - 连续语音识别搜索算法的研究与应用·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N-COUNT A prune is a dried plum. 李子干
V-T/V-I When you prune, or prune a tree or bush, you cut off some of the branches so that it will grow better the next year. 修剪 (树木)
You have to prune a bush if you want fruit.
如果你想要果树结果,你就得给它剪枝。
PHRASAL VERB Prune back means the same as . 修剪 (树木)
Apples, pears, and cherries can be pruned back when they've lost their leaves.
苹果树、梨树和樱桃树在落叶之后就可以被修剪。
V-T If you prune something, you cut out all the parts that you do not need. 删减
Companies are cutting investment and pruning their product ranges.
公司都在削减投资并减少产品种类。
PHRASAL VERB Prune back means the same as . 删减
The company has pruned back its workforce by 20,000 since 2003.
公司自2003年以来已经裁减了2万名员工。
V → an archaic word for preen
树篱需要修剪了。
All roses require annual pruning.
玫瑰都要年年修剪。
The company would benefit from a little pruning here and there.
公司如能处处精简一点,必将获益。
Pruning can also remove unhealthy or unneeded parts of a plant, and increase the growth of flowers and fruit.
VOA: special.2009.10.06
But part of the process of being systematic is not assuming that I'm going to get a lucky guess. But not even thinking really hard at this point. But just pruning the search space.
但是系统化的过程是不允许,假设我做出了,一个幸运的猜测的,而是逐步缩小搜索空间。
It's for the most part pruning, getting rid of neurons.
而更多的是在去除,清除神经元
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