上积是范畴论的基本概念之一。在范畴论中上积是积的对偶概念,是模论中直和概念的推广,因此也称直和或和。
n. coproduct
misc. cup product
... cumulative probability 累积概率 cup product 上积 cup product operation 上积运算 ...
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镍基催化剂上积碳是甲烷干气重整反应急需解决的关键问题。
Carbon deposition on nickel catalysts is a fatal problem for carbon dioxide reforming with methane.
基于该定义,给出了Q2攻击结构下环上积性MSP的有效构造。
Then, based on this definition, an efficient construction of the multiplicative MSP for a Q2 adversary structure is given.
在以冬令膏方调治“未病”、以及咳喘顽证等治疗上积有独特经验。
He is especially accomplished in handling the stubborn cough and asthma and preventive treatment of disease(treating pro-disease) with ointment recipe in wintertime.
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