英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

directrix    
n. 准线

准线


请选择你想看的字典辞典：
单词字典翻译
Directrix查看　Directrix　在百度字典中的解释百度英翻中〔查看〕
Directrix查看　Directrix　在Google字典中的解释Google英翻中〔查看〕
Directrix查看　Directrix　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Finding the Directrix of Parabola - Cuemath
    Directrix of a parabola is the reference line, which helps to define the equation of parabola and is useful to derive the equation of a parabola
  • Focus and Directrix of a Parabola - Formulas, Examples Diagrams
    The point is the focus of the parabola, and the line is the directrix The focus lies on the axis of symmetry, and the directrix is parallel to either the x-axis or the y-axis
  • What Is a Directrix? Definition and Uses in Math
    A directrix is a fixed straight line used to define a curve Most often, you’ll encounter it when studying parabolas: every point on a parabola is exactly the same distance from a fixed point (called the focus) as it is from the directrix line
  • Focus and Directrix of a Parabola - Mathwarehouse. com
    Explore how the focus and directrix relate to the graph of a parabola with the interactive program below Try this interactive parabola applet on its own page
  • Focus and Directrix of a Parabola - GeeksforGeeks
    The directrix is a fixed straight line that is perpendicular to the axis of a parabola A parabola is defined as the set of all points that are equidistant from a fixed point (focus) and a fixed line (directrix)
  • DIRECTRIX Definition Meaning - Merriam-Webster
    Medieval Latin, feminine of Late Latin director, from Latin dirigere “Directrix ” Merriam-Webster com Dictionary, Merriam-Webster, https: www merriam-webster com dictionary directrix Accessed 14 Jun 2026 The meaning of DIRECTRIX is directress
  • Parabola focus directrix review (article) | Khan Academy
    A focus and directrix are just a point and a line, respectively We can define a parabola as the set of all points that are equidistant from the focus and the directrix
  • Directrix Definition (Illustrated Mathematics Dictionary)
    A line used to help define a shape, typically used for conic sections like parabolas and hyperbolas Example: a parabola can be defined as a curve where any point is at an equal distance from the directrix (a line) and the focus (a point)
  • Directrix of a Parabola — Formula, How to Find Examples
    The focus is a fixed point and the directrix is a fixed line Together they define the parabola: every point on the curve is the same distance from the focus as it is from the directrix The focus sits inside the curve, while the directrix lies outside, on the opposite side of the vertex
  • Parabola - Math is Fun
    Definition A parabola is a curve where any point is at an equal distance from: a fixed point (the focus), and a fixed straight line (the directrix)





中文字典-英文字典  2005-2009