例如，R 2 的平方、二维向量的长度、三角不等式等都存在勾股定理。

For instance, it's also the square of the Euclidean norm on R2, the length of a two-dimensional vector, a part of the triangle inequality, and quite a bit more.

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本文提出的“智能向量”的概念是一种基于二维向量的具有自判结构的数学模型。

The concept of "intelligent vector" called in this paper is a kind of mathematics model which has the structUre of self-selection based on a two-dimensional vector.

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可缩放向量图形(Scalable Vector Graphics, SVG) 1.1是一种描述二维向量图形的xml语言。

Scalable vector graphics (SVG) 1.1 is an XML language for describing two-dimensional vector graphics.

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