- 射影直线
- 投影线
- projective: adj. 1.投影的，射影的。 2.凸出的，突出的。 3 ...
- line: vt. 交尾。
- projective line bundle: 射影线丛
- projective line element: 射影线元素
- projective straight line: 射影直线
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projective line中文什么意思
- 射影直线
- 投影线
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百科释义
In mathematics, a projective line is a one-dimensional projective space. The projective line over a field K, denoted P1(K), may be defined as the set of one-dimensional subspaces of the two-dimensional vector space K2 (it does carry other geometric structures).
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