横向
1
Lines that never intersect
5
Steepness of a line
6
Number with digits after a point
9
Reference line in a graph
纵向
2
Space between two intersecting lines
3
Distance from center to edge of circle
4
Closed shape with straight sides
5
System of ordered marks for measuring
7
Result of raising a number to an exponent
8
Middle value in an ordered dataset
10
Part of a line with two endpoints