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 ...
基于178个网页-相关网页
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.
我们要做的是，沿着曲线的每一点上，取向量场和法向量的点积。
What we will do is just, at every point along the curve, the dot product between the vector field and the normal vector.
应用推荐