一、圆锥曲线定义基本认识圆锥曲线定义主要包括的是椭圆定义以及双曲线定义。在其解题过程中,重点是圆锥曲线上的点和焦点间的关系。这一关系对某点的运动轨迹到底是椭圆、双曲线,还是抛物线起到了决定性作用,因此在解题过程中首先要深入了解其定义。圆锥曲线知识是高中数学教学中的重点内容,圆锥曲线定义不仅是推导圆锥曲线方程和性质的基础,而且也是数字解题中重要的理论基础。比如说如果圆锥曲线上的一个点和两个焦点能够构成一个三角形的话,那么其解题一般采用 A conical curve definition Basic understanding Conic curve definition mainly includes the definition of ellipse and hyperbolic. In its problem-solving process, the emphasis is on the relationship between the points on the conic curve and the focal point. This relationship is a point of the trajectory in the end is an ellipse, hyperbola, or parabolic played a decisive role, so in the process of solving the problem we must first understand its definition. Conic knowledge is the key point in high school mathematics teaching. The definition of conic is not only the basis for deriving the conic equations and properties, but also an important theoretical basis in solving numerical problems. For example, if one point and two points on the conic can form a triangle, then the problem is generally solved