ruled

1. 1.

   Having printed lines.

   印有线条的。

2. 2.

   Being a scroll; being such that through every point of S there is a straight line that lies on S.

   直纹的；指曲面S上每一点都存在一条完全位于S上的直线。

直纹的；指曲面S上每一点都存在一条完全位于S上的直线。；有横隔线的；有直线行的；受统治的