Computations in Commutative algebra (CoCoA) is another free computer algebra system for working with very large integers, rational Numbers, and polynomials.
Computationsin CommutativeAlgebra (CoCoA)是另一个免费计算机代数系统，用于处理超大型整数、有理数和多项式。
The immersed subbundles of free bundles and the immersed free subbundles of any module bundles are constructed, by using theoretics of tensor and module algebra.
利用张量和模代数知识，构造出了自由丛的浸入子丛和任一模丛的浸入子自由丛。
The immersed subbundles of free bundles and the immersed free subbundles of any module bundles are constructed, by using theoretics of tensor and module algebra.
利用张量和模代数知识，构造出了自由丛的浸入子丛和任一模丛的浸入子自由丛。
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