linear regulator

例句：

1. 1. The path is linear and easy to follow.
   这条路径是直线的，很容易跟随。
2. 2. The data is linearly proportional to the input.
   数据与输入成正比例关系。
3. 3. The design is linearly arranged in this way.
   这种设计以这种方式线性排列。