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1.Any of the four areas into which a plane is divided by the reference axes in a Cartesian coordinate system, designated first, second, third, and fourth, counting counterclockwise from the area in which both coordinates are positive.
象限在笛卡尔坐标系中，被坐标轴分开的平面中的四个区域的任一个，命名为第一，第二，第三和第四，从此象限逆时针计算坐标为正数收藏指正
2.The coordinate representing the position of a point along a line perpendicular to the y-axis in a plane Cartesian coordinate system.
横坐标笛卡尔坐标系中在平面上用以表示一点位置所用的垂直于y轴的直线收藏指正
3.Of or relating to the coordinate system, or to any of three coordinates in it, formed by two polar coordinates in a plane and a rectangular coordinate measured perpendicularly from the plane.
坐标系的坐标系的，或者与坐标系有关的，或坐标产生三条坐柱中的任一个的，这个坐标系由一个平面上的两个极线坐标和一个平面上垂直测量的直角坐标形成收藏指正
4.One of three axes in a three-dimensional Cartesian coordinate system.
x轴三维直角坐标系中的三轴之一收藏指正
5.any of the four areas into which a plane is divided by two orthogonal coordinate axes.
被两个相互垂直的坐标轴分开的平面中的四个区域的任一个。收藏指正
6.The point of intersection of coordinate axes, as in the Cartesian coordinate system.
原点坐标轴的交点，比如在笛卡尔坐标中收藏指正
7.the vertical axis in a plane coordinate system.
在一个平面坐标系中竖直的轴。收藏指正
8.the horizontal axis in a plane coordinate system.
在一个平面坐标系中水平的轴。收藏指正
9.one of the fixed reference lines of a coordinate system.
一个坐标系中的固定的参考线。收藏指正
10.the point of intersection of coordinate axes; where the values of the coordinates are all zero.
坐标轴的交叉点，所有相应值都为零。收藏指正
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