Existing mathematic theory couldn't explain it.

现存的数学理论无法解释它。

The wrong mathematic methods play their roles in this field.

错误的数学方法在这个领域内起着作用。

The mathematic problem must be solved by complex QR decomposition algorithm.

这个数学题必须用复数QR分解算法解答。

This development of the "discreate mathematic" test system is a important part of it.

本文设计开发的“离散数学”试题库系统也是其中重要的一个方面。

Geometry is an important mathematic subject and geometric word - problem is a k.

几何是一门重要的数学学科，几何应用题是几何学中一种重要的题型。