单词：free topological group
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AS IT IS 2015-03-02 Lebanese Artists Fight Back Against Censorship 黎巴嫩艺术家反击审查 Lebanon is a country where religious differences and a permissive culture can lead to conflict. The Lebanese government has long been active in guiding
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World Freedom Declines for 10th Year A human rights group says the slowing world economy, a crackdown on dissidents and dislike of foreigners fleeing their country have led to a sharp drop in freedom around the world for the 10th consecutive year. Fr
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American leadership 美国领导 In each of these cases, we should not expect change to happen overnight 所有这些情况下 我们都不应当指望变化在一夜间实现 That's why we form alliances not just with governments, but also with ordi
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by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
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DEVELOPMENT REPORT - U.S. Group Expands Free Help in China for Children With Clefts By Jill Moss Broadcast: Monday, December 12, 2005 I'm Jim Tedder with the VOA Special English Development Report. Cl
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From VOA Learning English, this is Words and Their Stories! On this program, we talk about origins and usage of common expressions in American English. Today we explore the word spirit. Spirit is one of those words that has many different definitions
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By Lawrence Lanahan and Marissa Melton The High Zero Festival of Experimental Improvised Music takes place in Baltimore, Maryland, every October. It is billed as
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World Bank-IMF Protesters State Demands For Next Month ' s Meetings Barry Wood Washington 28 Aug 2001 21:41 UTC Organizers of anti-globalization protests planned in Washington during a meeting of the
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American Concerts Available Worldwide 美国音乐会接入互联网全球直播 The Detroit Symphony Orchestra will be performing works by Georges Bizet Friday morning. You might enjoy classical music and like to attend the performance, but live far
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The abduction follows the kidnapping of three Spanish aid workers last month. Scott Stearns | Dakra 20 December 2009 Photo: CIA World Factbook Italy's foreign ministry says it is working through all political and diplomatic channels to secure the rel
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British people can now repair their own teeth with special dental kits. They can fix fillings (cavities in the US) and make other repairs. The kits cost as little as $7. People are buying them because they cannot afford to go to the dentist. A fillin
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An international medical aid group says the number of people dying from malaria could be dramatically reduced by providing free testing and treatment. The group made the announcement based on three successful programs in Africa where most malaria de
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拓扑排序 topological sort 偏序 partical order 拓扑有序 topological order AOV网 activity on vertex network AOE网 activity on edge network 关键路径 critical path 匹配 matching 最大匹配
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By Mil Arcega Washington, D.C. 14 June 2007 The Better Business Bureau in the United States reports the travel industry consistently ranks among the top 25 businesses that the watchdog group monitors for fraud. With the peak summer travel season now
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