linear total shrinkage

例句：

1. 1. The line of the road is straight as an arrow.
   这条道路线直如箭。
2. 2.The linear growth of the population has been a concern for policymakers.
   人口的直线增长一直是政策制定者关注的问题。
3. 3. The linear relationship between temperature and precipitation is well-known.
   温度与降水之间存在着众所周知的线性关系。