linear discrete programming

例句：

1. 1.The path is linear and easy to follow.
   这条路线是直线的，很容易跟随。
2. 2. The data islinearly proportional to the input.
   数据与输入成正比例关系。
3. 3. Thedesign is linear, which makes it easyto understand.
   设计是直线的，这使得它易于理解。