在数学中，对合(involution)或对合函数，是自己的逆函数的函数，就是说f(f(x)) = x 对于所有 f 的定义域中的 x。
n. involution ; convolution
adj. folding
对合矩阵 involutive matrix
对合模具 sectional die ; section die ; sectioning die
对合缝术 apposition suture
正交对合 [数] orthogonal involution
单行对合 unicursal involution ; rational involution
点列对合 [数] point involution
对合变换 [数] convolution transform ; involution transformation
对合箱模型 two piece pattern ; cope and drag pattern
对合板 approximation plate
对合系 involutory system ; involution system ; system of involution
对合行为与必要共同犯罪不是同等程度的概念。
Mutual action and requisite joint crime are not concepts of the same level.
有限的对称布尔代数都是某个带有一个对合映射的集合x上的集合代数。
All finite symmetry Boolean algebra are set algebra of a certain set X, Which has a doubly mapping.
证券公司的章程应当对合规总监的地位、职责、任免条件和程序等作出规定。
Rule of Securites companies shall prescribe on position, role and responsibility, appointment and removal condition, procedure and so on.
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