Overheating can result in tempered martensite ( OTM ) or untempered martensite ( UTM ) formations in the base metal.

过热会造成在本体金属中形成过回火马氏体 ( OTM ) 或者欠回火马氏体 ( UTM ) .

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They gave the formal definition of Turing reduction in terms of oracle Turing machine ( OTM ).

他们用oracle图灵机 ( OTM ) 模型给出了图灵归约的形式定义.

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