z-axis

名词 z-axis:

1. the third axis in a 3-dimensional coordinate system

z-ax.is

n.（名词）
【复数】 z-ax.es[zô.ak.sôz] 【数学】
One of three axes in a three-dimensional Cartesian coordinate system.
Z轴：三维笛卡尔坐标系的三个轴中的一条