二次曲线的准线
- 与 二次曲线的准线 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The ratio of the distance of any point on a conic section from a focus to its distance from the corresponding directrix. This ratio is constant for any particular conic section.
离心率二次曲线上任何一点到焦点的距离与到准线的距离之比对任一特定二次曲线来说，这个比值都是一个常数
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Mathematics The ratio of the distance of any point on a conic section from a focus to its distance from the corresponding directrix.
离心率：二次曲线上任何一点到焦点的距离与到准线的距离之比对任一特定二次曲线来说，这个比值都是一个常数
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Do some research to find the name of this conic and the how the words vertices, foci, centre and directrix relate to this shape.
做些搜索去找出这个二次曲线的名称以及顶点，焦点，中心点以及准线是怎样与这个图形有关的？
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候，老师解释《圣经》用两种不同的方法。