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jieba分词
[\\]^_`{|}~]+' news=re.sub(r,'',news)return news def stop_dict(news):''' 去除所有的停用词 ''' stopwords=open("F:/anaconda/stopwords.txt",'r',encoding='utf-8').read()outstr='' for ...
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China's sub reaches record depth
A Chinese manned submersible successfully reached a depth of 5,057 meters during a test dive conducted Tuesday in the Pacific Ocean.
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一种苯基TSub>7Sub>POSS及其制备方法
本发明涉及有机硅树脂技术领域,具体为一种苯基T 7-POSS及其制备方法。背景技术 随着技术的飞速发展,有机硅树脂的耐高温性能已经远远不能适应航天领域的需求。如何进一步改善其耐热性,使其在...
news/sub/T1374537989920
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