格日乐图 Geri music map
拉格朗日键图 lagrange bond graph
白银价格日元走势图 Silver Price Per Ounce in Japanese Yen
在阿雷格里港日落图片 Sunset in Porto Alegre
10月6日，在帕罗·奥图的举行的会议上，Facebook的老板马克·扎克伯格宣布了一系列关于这个世界上最大社交网站运营方式的变革。
At a meeting in Palo Alto on October 6th, Mark Zuckerberg, the boss of Facebook, announced a series of changes to the way that the world's largest online social network is run.
FACEBOOK CEO 马克.扎克伯格（左）2011年7月6日周三在位于加利福尼亚帕罗奥图的总部发布会期间观看视频通话的演示 Paul Sakuma / AP Photo
Facebook CEO Mark Zuckerberg, left, watches a demonstration of Video Chat during an announcement at Facebook headquarters in Palo Alto, Calif., Wednesday, July 6, 2011. , Paul Sakuma / AP Photo
该算法充分利用拉格朗日松弛方法的特点，通过构建封闭图，对封闭图进行拉格朗日松弛求得满足条件的多播树。
The algorithm makes use of the characteristic of Lagrange relaxation method, and finds multicast tree satisfying constraint by constructing closure graph and making relaxation to this graph.
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