And it introduces a method of appraised uncertainty of B class.

并探讨其中B类不确定度的一种估算方法。

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In 2008, 3.541 million people were infected by A or B class infectious diseases, with 12,433 reported deaths.

全年甲、乙类法定报告传染病发病人数354.1万例，报告死亡12433人；

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AP3 plays important roles in floral development. As a B class gene of "ABC" model, AP3 or PI and AG control the development of stamen together.

AP3基因在植物的花发育过程中具有重要作用，作为“ABC”模型的B类基因，AP3或PI与AG的作用决定雄蕊的特征。

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And forty percent thought they should get a B, the second highest mark, just because they did most of the reading for class.

VOA: special.2009.03.12

Usually what I want to talk about is what's the smallest size class in which this function grows? With all of that, what that says b is that this we would write is order b.

通常我们想要的是,方法增长时最贴切的描述,也就是说，在这个问题上,算法关于。

麻省理工公开课 - 计算机科学及编程导论课程节选

One thing I can guarantee from past experience in this class, is that the median grade will be a B+.

不过从教学经验看,中间成绩应该是B+

耶鲁公开课 - 博弈论课程节选

The new Mercedes-Benz B-Class Electric Drive is based on the conventionally powered B-Class, which has become a bestseller in many countries since its market debut in 2011.

ENGADGET: Mercedes-Benz introduces B-Class Electric Drive, we go eyes-on

"For safety, no A or B class roads will have lamps switched off during the darkest hours although eight stretches have been selected for dimming to half the usual brightness, " he added.

BBC: Somerset street lamp plan 'could save council ?120,000'

"However, the RNLI will be unable to do this until a suitable operations site has been identified and the requisite shore facilities put in place to enable an RNLI B class inshore lifeboat and its launching equipment to operate effectively, " he said.

BBC: Plans submitted for new lifeboat station in Portishead