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Power of a point

  • 圆幂定理(圆幂定理:若两条相交直线与圆相交于A、B与C、D,则PA·PB=PC·PD)

英英释义

Power of a point

  • abstract: In elementary plane geometry, the power of a point is a real number h that reflects the relative distance of a given point from a given circle. Specifically, the power of a point P with respect to a circle C of radius r is defined (Figure 1)

以上来源于: WordNet

双语例句权威例句

  • All of this will be a moot point once the robot armies rise to power and start pulverizing each other with scrap metal.

    一旦机器人军队掌权开始金属互相摧毁,所有这些都将成为争论

    youdao

  • The larger lesson is that Foucault had a point: The dynamics of power can profoundly influence how we think.

    更大范围内教训来自观点:权力的力量深刻影响我们的思维方式

    youdao

  • There's a lot of power and energy at that pointa girl can change the world, or she can implode.

    这个时期她们,拥有无穷的能力力量——一个女生可以改变世界或者

    youdao

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