By the B-cut sets and the probabilities of the nodes of Binary Decision Diagrams (BDD), a new quantitative analysis algorithm of coherent fault tree based on BDD is presented in this paper.

利用二元决策图(BDD)中的B—割集和节点概率，提出了基于BDD的关联故障树定量分析新算法。

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B: I'd like a hair cut, please.

B：麻烦你，我想剪头发。

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This month Moody’s cut its rating from B1 to B3 with a negative outlook, the second cut in five months, and this week Standard &Poor’s reduced it from BB- to B+.

本月，穆迪将其评级从B3下调到B1，前景黯淡，而这也是5个月内第二次的下调。 在本周，标普也将其评级从BB-降低到了B+。

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Four of the six -- Erdogan, Klyuka, Yulamanova and Zinurova -- admitted their offense and waived their right to a "B" sample, meaning their original four-year bans were cut in half.

CNN: Nine athletes banned for doping offenses

"A 50-basis-point cut is in order, " said Alan B.

FORBES: Wall Street Mired In Uncertainity

Ratings agency Fitch cut Greece's long-term credit rating from B- to CCC Thursday, only one notch above default level, reflecting worries over its ability to remain in the euro currency zone.

CNN: STORY HIGHLIGHTS