pole and polar造句

例句与造句

1. The relationship between poles and polars is reciprocal.
2. Poncelet maintained that the Principle of Duality was a consequence of the theory of poles and polars.
3. He also made discoveries about projective harmonic conjugates; relating these to the poles and polar lines associated with conic sections.
4. Poles and polars were defined by Joseph Diaz Gergonne and play an important role in his solution of the problem of Apollonius.
5. Using the theory of poles and polars, the problem of finding the four mutual tangents of two conics reduces to finding the intersection of two conics.
6. It's difficult to find pole and polar in a sentence. 用pole and polar造句挺难的
7. Jean-Victor Poncelet ( 1788 " 1867 ) author of the first text on projective geometry, " Trait?des propri閠閟 projectives des figures ", was a synthetic geometer who systematically developed the theory of poles and polars with respect to a conic.