abscissa

/ab-sis-uh/US // æbˈsɪs ə //UK // (æbˈsɪsə) //

横轴,横轴线,横断面,横坐标

Definitions

n.名词 noun

1
plural ab·scis·sas, ab·scis·sae [ab-sis-ee]. /æbˈsɪs i/. Mathematics.
- : the x-coordinate of a point: its distance from the y-axis measured parallel to the x-axis.

The corresponding value of y determines a point P in accordance with the rule that x is the abscissa and y the ordinate of P.
To any value of x there corresponds a point N on the axis of x, in accordance with the rule that x is the abscissa of N.
Curves have been prepared having pressure as an abscissa and elasticity as ordinate.
The curve then crosses the abscissa upwards, and the positive curvature reaches a maximum.
Abscissa represents duration of exposure and quantity of incident light.