你可以简要地说其实证明就是初等矩阵理论，三角不等式和鸽笼原理的运用。
You can say that the proof USES nothing beyond elementary matrix theory, repeated use of the triangle inequality, and the pigeonhole principle.
鸽笼式分类架，信件架，文件格小隔间或凹室，如桌子里， 用来放文件；格架。
A small compartment or recess , as in a desk, for holding papers a cubbyhole .
浅禾杆黄色，香气馥郁，鸽笼白的水果香气混合着莎当妮的圆润，具柑橘和夏季水果的香气，非常舒适雅致和谐。
A dry, well-balanced, harmonious blend, combining the fruity character of Colombar with the roundness of Chardonnay. Citrus and summer fruit on the nose an palate.
浅禾杆黄色，香气馥郁，鸽笼白的水果香气混合着莎当妮的圆润，具柑橘和夏季水果的香气，非常舒适雅致和谐。
A dry, well-balanced, harmonious blend, combining the fruity character of Colombar with the roundness of Chardonnay. Citrus and summer fruit on the nose an palate.
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