...器，如用可以基于正则表达式的标识器分割出相同的字符串，用/w分割出单词和数字用/d对数字进行提取词干提取：词干提取(stemming)是一个修枝剪叶的过程，通过一些基本的规则，可以得到所有的分词。
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...际上也可以帮助你进行词干化（stemming），例如，神经网络对”ant“和”ants”两个单词会习得相似的词向量。 词干化（stemming）就是去除词缀得到词根的过程。
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keyword stemming 词干技术 ; 关键词词干法 ; 词干技巧 ; 关键词词干
clay stemming 粘土炮泥
hole stemming 钻孔堵塞物
water stemming 炮眼水封
stemming bag 封泥卷
Word Stemming 不支持单词多形态 ; 单词衍生形态查询 ; 词干法 ; 关于单词引申
stemming ratio 封堵率
·2,447,543篇论文数据，部分数据来源于NoteExpress
"thematic vowels are part of the stem"
同义词： stalk
同义词： shank
同义词： stem turn
以上来源于: WordNet
V-I If a condition or problem stems from something, it was caused originally by that thing. 起源于
All my problems stem from drink.
我所有的问题都是酗酒引起的。
V-T If you stem something, you stop it spreading, increasing, or continuing. 阻止 [正式]
Austria has sent three army battalions to its border with Hungary to stem the flow of illegal immigrants.
奥地利已派遣3个营到达与匈牙利接壤的边境处，以阻止非法移民的流入。
N-COUNT The stem of a plant is the thin, upright part on which the flowers and leaves grow. 茎
He stooped down, cut the stem for her with his knife and handed her the flower.
他弯下腰，用刀替她割下花茎，然后把花递给她。
N a technique in which the heel of one ski or both skis is forced outwards from the direction of movement in order to slow down or turn 转动滑雪屐以减速或转弯的技术 [skiing]
They discussed ways of stemming the flow of smuggled drugs.
他们讨论了遏制走私毒品流通的办法。
While a few countries are making major strides in this regard, the majority are having great difficulty even stemming the rate of increase, let alone reversing it.
虽然一些国家在这方面取得了显著的成果，但大多数国家就连降低（碳排放的）增长率都很难，更别说减排了。
The rapid expansion in international trade also benefitted from an infusion of capital, stemming largely from gold and silver brought by Spanish vessels from the Americas.
国际贸易的迅速扩张也得益于资本的注入，主要起源于西班牙船只从美洲带来的金银。
Miliband is expressing concerns about the serious fraud allegations stemming from last month's election.
VOA: standard.2009.09.11
The U.N.-backed Electoral Complaints Commission may end up putting into quarantine hundreds of thousands of ballots until the major allegations stemming from the August 20 election are resolved.
VOA: standard.2009.09.12
In handing down the sentences, chief judge Adem Ibrahim told the condemned men they should have learned lessons from previous convictions stemming from violence that followed Ethiopia's last national elections in May 2005.
VOA: standard.2009.12.23
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