The most important of these are type A and B, each of them having several subgroups.

其中最重要的是A型和B型，每一种类型又能分成好几组。

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Based on the rational simplification for type a and B evaluation of general uncertainty, this paper confirms the general certainty, and introduces their applications.

在对总不确定度的A类分量及B类分量评定的合理简化的基础上，确定了总不确定度的表示模式，并介绍了它们的应用。

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Type C influenza cases occur much less frequently than A and B.

与甲型和乙型流感病例相比，丙型流感病例发生较少。

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In it, he uses eye drops made of a special riboflavin (a type of vitamin B) formulation and a very weak ultraviolet light to strengthen the collagen fibers in the eye.

FORBES: A New Hope for Those With Down Syndrome...And a Rare Eye Disease

The type and formula of most schemes of philanthropy or humanitarianism is this: A and B put their heads together to decide what C shall be made to do for D.

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Never mind that the company has used some of the funding to hire computer engineers, or that it converted from a traditional nonprofit to a B corporation, a new type of company that is contractually required to be socially and environmentally responsible.

NEWYORKER: You��re Welcome